91197932 has 12 divisors (see below), whose sum is σ = 182395920. Its totient is φ = 39084816.

The previous prime is 91197913. The next prime is 91197937. The reversal of 91197932 is 23979119.

91197932 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 91197932.

It is not an unprimeable number, because it can be changed into a prime (91197937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628507 + ... + 1628562.

It is an arithmetic number, because the mean of its divisors is an integer number (15199660).

Almost surely, 2^91197932 is an apocalyptic number.

It is an amenable number.

91197932 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91197932 is a wasteful number, since it uses less digits than its factorization.

91197932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257080 (or 3257078 counting only the distinct ones).

The product of its digits is 30618, while the sum is 41.

The square root of 91197932 is about 9549.7608347016. The cubic root of 91197932 is about 450.1200206610.

It can be divided in two parts, 91197 and 932, that added together give a palindrome (92129).

The spelling of 91197932 in words is "ninety-one million, one hundred ninety-seven thousand, nine hundred thirty-two".