86989204 has 12 divisors (see below), whose sum is σ = 161186004. Its totient is φ = 40936064.

The previous prime is 86989169. The next prime is 86989211. The reversal of 86989204 is 40298968.

It can be written as a sum of positive squares in 2 ways, for example, as 31337604 + 55651600 = 5598^2 + 7460^2 .

It is a super-2 number, since 2×86989204² = 15134243225107232, which contains 22 as substring.

It is a congruent number.

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, 639559 + ... + 639694.

It is an arithmetic number, because the mean of its divisors is an integer number (13432167).

Almost surely, 2^86989204 is an apocalyptic number.

It is an amenable number.

86989204 is a deficient number, since it is larger than the sum of its proper divisors (74196800).

86989204 is a wasteful number, since it uses less digits than its factorization.

86989204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279274 (or 1279272 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 86989204 is about 9326.8003087876. The cubic root of 86989204 is about 443.0864328326.

The spelling of 86989204 in words is "eighty-six million, nine hundred eighty-nine thousand, two hundred four".