Hecho matemático: 4869 is a value of n for which 3n and 8n together use each digit exactly once.
Trivia: 4869 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: April 30th is the day in 1937 that the Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative.