91599364 has 12 divisors (see below), whose sum is σ = 160564684. Its totient is φ = 45723744.

The previous prime is 91599359. The next prime is 91599367. The reversal of 91599364 is 46399519.

It can be written as a sum of positive squares in 2 ways, for example, as 6812100 + 84787264 = 2610^2 + 9208^2 .

It is not an unprimeable number, because it can be changed into a prime (91599367) 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, 16227 + ... + 21130.

Almost surely, 2^91599364 is an apocalyptic number.

It is an amenable number.

91599364 is a deficient number, since it is larger than the sum of its proper divisors (68965320).

91599364 is a wasteful number, since it uses less digits than its factorization.

91599364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37974 (or 37972 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 91599364 is about 9570.7556650455. The cubic root of 91599364 is about 450.7794950608.

The spelling of 91599364 in words is "ninety-one million, five hundred ninety-nine thousand, three hundred sixty-four".