Fatto matematico: 90868 is an uninteresting number.
Trivia: 90868 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: October 14th is the day in 1913 that Senghenydd Colliery Disaster, the United Kingdom's worst coal mining accident, occurs, and it claims the lives of 439 miners.