General fact: 90838 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 90838 is an unremarkable number.
Trivia: 90838 is a boring number.
Historical date: September 14th is the day in 1901 that President of the United States William McKinley dies after an assassination attempt on September 6, and is succeeded by Theodore Roosevelt.