85856924 has 12 divisors (see below), whose sum is σ = 150601248. Its totient is φ = 42828000.

The previous prime is 85856923. The next prime is 85856933. The reversal of 85856924 is 42965858.

It is a super-2 number, since 2×85856924² = 14742822797483552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85856923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23177 + ... + 26624.

It is an arithmetic number, because the mean of its divisors is an integer number (12550104).

Almost surely, 2^85856924 is an apocalyptic number.

It is an amenable number.

85856924 is a deficient number, since it is larger than the sum of its proper divisors (64744324).

85856924 is a wasteful number, since it uses less digits than its factorization.

85856924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50236 (or 50234 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 85856924 is about 9265.9011434399. The cubic root of 85856924 is about 441.1555781346.

The spelling of 85856924 in words is "eighty-five million, eight hundred fifty-six thousand, nine hundred twenty-four".