Fait général: 4798 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4798 is a value of n for which n!!!.
Culture générale: 4798 is a boring number.
Date historique: February 18th is the day in 1930 that Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.