86501444 has 12 divisors (see below), whose sum is σ = 151779600. Its totient is φ = 43135848.

The previous prime is 86501411. The next prime is 86501447. The reversal of 86501444 is 44410568.

It is a self number, because there is not a number n which added to its sum of digits gives 86501444.

It is not an unprimeable number, because it can be changed into a prime (86501447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27014 + ... + 30045.

It is an arithmetic number, because the mean of its divisors is an integer number (12648300).

Almost surely, 2^86501444 is an apocalyptic number.

It is an amenable number.

86501444 is a deficient number, since it is larger than the sum of its proper divisors (65278156).

86501444 is a wasteful number, since it uses less digits than its factorization.

86501444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57442 (or 57440 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 86501444 is about 9300.6152484661. The cubic root of 86501444 is about 442.2567320227.

The spelling of 86501444 in words is "eighty-six million, five hundred one thousand, four hundred forty-four".