91942492 has 24 divisors (see below), whose sum is σ = 166407696. Its totient is φ = 44423808.

The previous prime is 91942489. The next prime is 91942507. The reversal of 91942492 is 29424919.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10968 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (6933654).

Almost surely, 2^91942492 is an apocalyptic number.

It is an amenable number.

91942492 is a deficient number, since it is larger than the sum of its proper divisors (74465204).

91942492 is a wasteful number, since it uses less digits than its factorization.

91942492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597 (or 6595 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 91942492 is about 9588.6647662748. The cubic root of 91942492 is about 451.3416617432.

The spelling of 91942492 in words is "ninety-one million, nine hundred forty-two thousand, four hundred ninety-two".