Fatto generale: 9405 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 9405 is an uninteresting number.
Trivia: 9405 is an unremarkable number.
Data storica: September 30th is the day in 1947 that the World Series, featuring the New York Yankees and the Brooklyn Dodgers, is televised for the first time.