86204931 has 16 divisors (see below), whose sum is σ = 118370304. Its totient is φ = 55763424.

The previous prime is 86204929. The next prime is 86204953. The reversal of 86204931 is 13940268.

It is not a de Polignac number, because 86204931 - 2¹ = 86204929 is a prime.

It is a super-2 number, since 2×86204931² = 14862580257429522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86204892 and 86204901.

It is not an unprimeable number, because it can be changed into a prime (86204971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51006 + ... + 52668.

It is an arithmetic number, because the mean of its divisors is an integer number (7398144).

Almost surely, 2^86204931 is an apocalyptic number.

86204931 is a deficient number, since it is larger than the sum of its proper divisors (32165373).

86204931 is a wasteful number, since it uses less digits than its factorization.

86204931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 86204931 is about 9284.6610600495. The cubic root of 86204931 is about 441.7508252744.

The spelling of 86204931 in words is "eighty-six million, two hundred four thousand, nine hundred thirty-one".