Fatto generale: 84047 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 84047 is an unremarkable number.
Trivia: 84047 is an uninteresting number.
Data storica: February 10th is the day in 1940 that the Soviet Union begins mass deportations of Polish citizens from occupied eastern Poland to Siberia.