91652988 has 96 divisors (see below), whose sum is σ = 256872448. Its totient is φ = 24883200.

The previous prime is 91652987. The next prime is 91652993. The reversal of 91652988 is 88925619.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91652983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158556 + ... + 159132.

Almost surely, 2^91652988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91652988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128436224).

91652988 is an abundant number, since it is smaller than the sum of its proper divisors (165219460).

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

91652988 is a wasteful number, since it uses less digits than its factorization.

91652988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its digits is 311040, while the sum is 48.

The square root of 91652988 is about 9573.5567058434. The cubic root of 91652988 is about 450.8674428481.

The spelling of 91652988 in words is "ninety-one million, six hundred fifty-two thousand, nine hundred eighty-eight".