85804 has 12 divisors (see below), whose sum is σ = 158200. Its totient is φ = 40608.

The previous prime is 85793. The next prime is 85817. The reversal of 85804 is 40858.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489 + ... + 640.

2⁸⁵⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

85804 is a deficient number, since it is larger than the sum of its proper divisors (72396).

85804 is a wasteful number, since it uses less digits than its factorization.

85804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 85804 is about 292.9231981254. The cubic root of 85804 is about 44.1064913667.

The spelling of 85804 in words is "eighty-five thousand, eight hundred four".