Fatto matematico: 58498 is an unremarkable number.
Trivia: 58498 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: February 28th is the day in 1942 that the heavy cruiser USS Houston is sunk in the Battle of Sunda Strait with 693 crew members killed, along with HMAS Perth which lost 375 men.