86518344 has 32 divisors (see below), whose sum is σ = 235959840. Its totient is φ = 26217600.

The previous prime is 86518331. The next prime is 86518361. The reversal of 86518344 is 44381568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163597 + ... + 164124.

It is an arithmetic number, because the mean of its divisors is an integer number (7373745).

Almost surely, 2^86518344 is an apocalyptic number.

It is an amenable number.

86518344 is an abundant number, since it is smaller than the sum of its proper divisors (149441496).

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

86518344 is a wasteful number, since it uses less digits than its factorization.

86518344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327741 (or 327737 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 86518344 is about 9301.5237461397. The cubic root of 86518344 is about 442.2855317426.

The spelling of 86518344 in words is "eighty-six million, five hundred eighteen thousand, three hundred forty-four".