Hecho general: 5698 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 5698 is the smallest number whose 8^{th} power starts with 5 identical digits.
Trivia: 5698 is an uninteresting number.
Fecha histórica: August 7th is the day in 1999 that the Chechnya-based Islamic International Brigade invades the neighbouring Russian Republic of Dagestan.