86511404 has 12 divisors (see below), whose sum is σ = 173022864. Its totient is φ = 37076304.

The previous prime is 86511401. The next prime is 86511413. The reversal of 86511404 is 40411568.

86511404 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (86511401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544819 + ... + 1544874.

It is an arithmetic number, because the mean of its divisors is an integer number (14418572).

Almost surely, 2^86511404 is an apocalyptic number.

It is an amenable number.

86511404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86511404 is a wasteful number, since it uses less digits than its factorization.

86511404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089704 (or 3089702 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 86511404 is about 9301.1506815017. The cubic root of 86511404 is about 442.2737055659.

The spelling of 86511404 in words is "eighty-six million, five hundred eleven thousand, four hundred four".