Acts 7:6

And God spake thus, That his seed shall be dwelling in a strange land; and it shall subjugate them, and inflict evil four hundred years.

Genesis 15:13

And he will say to Abram, Knowing thou shalt know that thy seed shall be a sojourner in the land not to them; and they shall serve them and they shall humble them four hundred years.

Genesis 15:16

And the fourth generation they shall turn back hither: for the crime of the Amorite has not been completed till now.

Exodus 12:40-41

And the dwelling of the sons of Israel which they dwelt in Egypt, was thirty years and four hundred years.

Galatians 3:17

And I say this, the covenant confirmed before by God in Christ, the law, having been after four hundred and thirty years, does not annul, to neglect the promise.

Treasury of Scripture Knowledge

Summary

And God spake on this wise, That his seed should sojourn in a strange land; and that they should bring them into bondage, and entreat them evil four hundred years.

Bible References

That

Genesis 15:13
And he will say to Abram, Knowing thou shalt know that thy seed shall be a sojourner in the land not to them; and they shall serve them and they shall humble them four hundred years.

Four

Exodus 12:40
And the dwelling of the sons of Israel which they dwelt in Egypt, was thirty years and four hundred years.
Galatians 3:17
And I say this, the covenant confirmed before by God in Christ, the law, having been after four hundred and thirty years, does not annul, to neglect the promise.