Fatto generale: 28089 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 28089 is a boring number.
Trivia: 28089 is an uninteresting number.
Data storica: November 25th is the day in 1918 that Vojvodina, formerly Austro-Hungarian crown land, proclaims its secession from Austria–Hungary to join the Kingdom of Serbia.