91900982 has 8 divisors (see below), whose sum is σ = 137894616. Its totient is φ = 45936112.

The previous prime is 91900981. The next prime is 91900999. The reversal of 91900982 is 28900919.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91900981) 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, 4793 + ... + 14379.

It is an arithmetic number, because the mean of its divisors is an integer number (17236827).

Almost surely, 2^91900982 is an apocalyptic number.

It is a pronic number, being equal to 9586×9587.

91900982 is a deficient number, since it is larger than the sum of its proper divisors (45993634).

91900982 is a wasteful number, since it uses less digits than its factorization.

91900982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14382.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 91900982 is about 9586.4999869608. The cubic root of 91900982 is about 451.2737279287.

The spelling of 91900982 in words is "ninety-one million, nine hundred thousand, nine hundred eighty-two".