491592016 has 20 divisors (see below), whose sum is σ = 1002589600. Its totient is φ = 232859232.

The previous prime is 491591939. The next prime is 491592029. The reversal of 491592016 is 610295194.

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, 808236 + ... + 808843.

It is an arithmetic number, because the mean of its divisors is an integer number (50129480).

Almost surely, 2^491592016 is an apocalyptic number.

It is an amenable number.

491592016 is an abundant number, since it is smaller than the sum of its proper divisors (510997584).

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

491592016 is a wasteful number, since it uses less digits than its factorization.

491592016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617106 (or 1617100 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 491592016 is about 22171.8744358703. The cubic root of 491592016 is about 789.2264050304.

The spelling of 491592016 in words is "four hundred ninety-one million, five hundred ninety-two thousand, sixteen".