91995432 has 32 divisors (see below), whose sum is σ = 243518400. Its totient is φ = 28861184.

The previous prime is 91995419. The next prime is 91995437. The reversal of 91995432 is 23459919.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (91995437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112332 + ... + 113147.

It is an arithmetic number, because the mean of its divisors is an integer number (7609950).

Almost surely, 2^91995432 is an apocalyptic number.

It is an amenable number.

91995432 is an abundant number, since it is smaller than the sum of its proper divisors (151522968).

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

91995432 is a wasteful number, since it uses less digits than its factorization.

91995432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225505 (or 225501 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 91995432 is about 9591.4249202087. The cubic root of 91995432 is about 451.4282718351.

The spelling of 91995432 in words is "ninety-one million, nine hundred ninety-five thousand, four hundred thirty-two".