Fatto generale: 5846 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5846 is an uninteresting number.
Trivia: 5846 is an uninteresting number.
Data storica: January 2nd is the day in 1959 that Luna 1, the first spacecraft to reach the vicinity of the Moon and to orbit the Sun, is launched by the Soviet Union.