I Chronicles 12:36 Kabbalah

וּמִן־הַדָּנִי֙ עֹרְכֵ֣י מִלְחָמָ֔ה עֶשְׂרִֽים־וּשְׁמוֹנָ֥ה אֶ֖לֶף וְשֵׁ֥שׁ מֵאֽוֹת׃ (ס)

And of the Danites that could set the battle in array, twenty and eight thousand and six hundred.

Read kabbalistic (mystical) interpretation of I Chronicles 12:36: and classical mystical sources.