91252992 has 36 divisors (see below), whose sum is σ = 242868080. Its totient is φ = 30417408.

The previous prime is 91252981. The next prime is 91253023. The reversal of 91252992 is 29925219.

It is a self number, because there is not a number n which added to its sum of digits gives 91252992.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58642 + ... + 60177.

Almost surely, 2^91252992 is an apocalyptic number.

It is an amenable number.

91252992 is an abundant number, since it is smaller than the sum of its proper divisors (151615088).

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

91252992 is a wasteful number, since it uses less digits than its factorization.

91252992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118838 (or 118824 counting only the distinct ones).

The product of its digits is 29160, while the sum is 39.

The square root of 91252992 is about 9552.6431944253. The cubic root of 91252992 is about 450.2105878549.

The spelling of 91252992 in words is "ninety-one million, two hundred fifty-two thousand, nine hundred ninety-two".