86805392 has 30 divisors (see below), whose sum is σ = 170268678. Its totient is φ = 42869376.

The previous prime is 86805377. The next prime is 86805403. The reversal of 86805392 is 29350868.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 10137856 = 8756^2 + 3184^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 436109 + ... + 436307.

Almost surely, 2^86805392 is an apocalyptic number.

It is an amenable number.

86805392 is a deficient number, since it is larger than the sum of its proper divisors (83463286).

86805392 is a wasteful number, since it uses less digits than its factorization.

86805392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 86805392 is about 9316.9411289328. The cubic root of 86805392 is about 442.7741257400.

The spelling of 86805392 in words is "eighty-six million, eight hundred five thousand, three hundred ninety-two".