Exodus 12:37 in the King James Version
And the children of Israel journeyed from Rameses to Succoth, about six hundred thousand on foot that were men, beside children.
Context
36 The LORD gave the people favor in the sight of the Egyptians, so that they let them have what they asked. They plundered the Egyptians.
37 The children of Israel traveled from Rameses to Succoth, about six hundred thousand on foot who were men, in addition to children.
38 A mixed multitude went up also with them, with flocks, herds, and even very much livestock.