91114992 has 30 divisors (see below), whose sum is σ = 254995832. Its totient is φ = 30371616.

The previous prime is 91114987. The next prime is 91115009. The reversal of 91114992 is 29941119.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316228 + ... + 316515.

Almost surely, 2^91114992 is an apocalyptic number.

It is an amenable number.

91114992 is an abundant number, since it is smaller than the sum of its proper divisors (163880840).

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

91114992 is a wasteful number, since it uses less digits than its factorization.

91114992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632757 (or 632748 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 91114992 is about 9545.4173297976. The cubic root of 91114992 is about 449.9835253228.

The spelling of 91114992 in words is "ninety-one million, one hundred fourteen thousand, nine hundred ninety-two".