85900 has 18 divisors (see below), whose sum is σ = 186620. Its totient is φ = 34320.

The previous prime is 85889. The next prime is 85903. The reversal of 85900 is 958.

It is not an unprimeable number, because it can be changed into a prime (85903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330 + ... + 529.

2⁸⁵⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

85900 is an abundant number, since it is smaller than the sum of its proper divisors (100720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85900 is a wasteful number, since it uses less digits than its factorization.

85900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 85900 is about 293.0870177951. The cubic root of 85900 is about 44.1229344425.

The spelling of 85900 in words is "eighty-five thousand, nine hundred".