Hecho general: 28889 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 28889 is an unremarkable number.
Trivia: 28889 is an uninteresting number.
Fecha histórica: February 3rd is the day in 1967 that Ronald Ryan, the last person to be executed in Australia, is hanged in Pentridge Prison, Melbourne.