91312364 has 48 divisors (see below), whose sum is σ = 190883616. Its totient is φ = 37670400.

The previous prime is 91312313. The next prime is 91312379. The reversal of 91312364 is 46321319.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33584 + ... + 36200.

It is an arithmetic number, because the mean of its divisors is an integer number (3976742).

Almost surely, 2^91312364 is an apocalyptic number.

It is an amenable number.

91312364 is an abundant number, since it is smaller than the sum of its proper divisors (99571252).

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

91312364 is a wasteful number, since it uses less digits than its factorization.

91312364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2704 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 91312364 is about 9555.7503106768. The cubic root of 91312364 is about 450.3082069665.

The spelling of 91312364 in words is "ninety-one million, three hundred twelve thousand, three hundred sixty-four".