Fait mathématique: 4598 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 4598 is an unremarkable number.
Date historique: August 2nd is the day in 1985 that Delta Air Lines Flight 191, a Lockheed L-1011 TriStar crashes at Dallas/Fort Worth International Airport killing 137.