391160982 has 8 divisors (see below), whose sum is σ = 782321976. Its totient is φ = 130386992.

The previous prime is 391160969. The next prime is 391160993. The reversal of 391160982 is 289061193.

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

391160982 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 391160982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32596743 + ... + 32596754.

It is an arithmetic number, because the mean of its divisors is an integer number (97790247).

Almost surely, 2^391160982 is an apocalyptic number.

391160982 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.

391160982 is a wasteful number, since it uses less digits than its factorization.

391160982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65193502.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 391160982 is about 19777.7901192221. The cubic root of 391160982 is about 731.3386222054.

The spelling of 391160982 in words is "three hundred ninety-one million, one hundred sixty thousand, nine hundred eighty-two".