86961204 has 36 divisors (see below), whose sum is σ = 239803200. Its totient is φ = 26351760.

The previous prime is 86961191. The next prime is 86961223. The reversal of 86961204 is 40216968.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×86961204² = 15124502002259232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109404 + ... + 110195.

It is an arithmetic number, because the mean of its divisors is an integer number (6661200).

Almost surely, 2^86961204 is an apocalyptic number.

It is an amenable number.

86961204 is an abundant number, since it is smaller than the sum of its proper divisors (152841996).

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

86961204 is a wasteful number, since it uses less digits than its factorization.

86961204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219620 (or 219615 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 86961204 is about 9325.2991372931. The cubic root of 86961204 is about 443.0388876549.

The spelling of 86961204 in words is "eighty-six million, nine hundred sixty-one thousand, two hundred four".