Fatto generale: 4894 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4894 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 4894 is an uninteresting number.
Data storica: May 25th is the day in 1521 that the Diet of Worms ends when Charles V, Holy Roman Emperor, issues the Edict of Worms, declaring Martin Luther an outlaw.