91332036 has 42 divisors (see below), whose sum is σ = 239644622. Its totient is φ = 30443040.

The previous prime is 91332029. The next prime is 91332037. The reversal of 91332036 is 63023319.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 11943936 = 8910^2 + 3456^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (91332037) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 12745 + ... + 18576.

Almost surely, 2^91332036 is an apocalyptic number.

It is an amenable number.

91332036 is an abundant number, since it is smaller than the sum of its proper divisors (148312586).

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

91332036 is a wasteful number, since it uses less digits than its factorization.

91332036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31343 (or 31326 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 91332036 is about 9556.7795831022. The cubic root of 91332036 is about 450.3405422261.

The spelling of 91332036 in words is "ninety-one million, three hundred thirty-two thousand, thirty-six".