Fait mathématique: 9380 is the number of lines through exactly 2 points of a 15×15 grid of points.
Culture générale: 9380 is an uninteresting number.
Date historique: September 5th is the day in 1945 that Iva Toguri D'Aquino, a Japanese-American suspected of being wartime radio propagandist Tokyo Rose, is arrested in Yokohama.