Nehemiah 7:16 Midrash

בְּנֵ֣י בֵבָ֔י שֵׁ֥שׁ מֵא֖וֹת עֶשְׂרִ֥ים וּשְׁמֹנָֽה׃ (ס)

The children of Bebai, six hundred twenty and eight.

Read midrashic interpretation of Nehemiah 7:16: and classical rabbinic exegesis.