86957444 has 24 divisors (see below), whose sum is σ = 174621888. Its totient is φ = 37116000.

The previous prime is 86957413. The next prime is 86957459. The reversal of 86957444 is 44475968.

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, 842 + ... + 13214.

It is an arithmetic number, because the mean of its divisors is an integer number (7275912).

Almost surely, 2^86957444 is an apocalyptic number.

It is an amenable number.

86957444 is an abundant number, since it is smaller than the sum of its proper divisors (87664444).

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

86957444 is a wasteful number, since it uses less digits than its factorization.

86957444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635 (or 12633 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 86957444 is about 9325.0975330020. The cubic root of 86957444 is about 443.0325022395.

The spelling of 86957444 in words is "eighty-six million, nine hundred fifty-seven thousand, four hundred forty-four".