Fatto generale: 19404 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 19404 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 19404 is an unremarkable number.
Data storica: February 14th is the day in 2000 that the spacecraft NEAR Shoemaker enters orbit around asteroid 433 Eros, the first spacecraft to orbit an asteroid.