Hecho general: 83428 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 83428 is an unremarkable number.
Trivia: 83428 is a boring number.
Fecha histórica: June 1st is the day in 1779 that Benedict Arnold, a general in the Continental Army during the American Revolutionary War, is court-martialed for malfeasance.