491079716 has 24 divisors (see below), whose sum is σ = 910150080. Its totient is φ = 231355872.

The previous prime is 491079689. The next prime is 491079733. The reversal of 491079716 is 617970194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33671 + ... + 45998.

It is an arithmetic number, because the mean of its divisors is an integer number (37922920).

Almost surely, 2^491079716 is an apocalyptic number.

491079716 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

491079716 is a deficient number, since it is larger than the sum of its proper divisors (419070364).

491079716 is a wasteful number, since it uses less digits than its factorization.

491079716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79763 (or 79761 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 491079716 is about 22160.3184995162. The cubic root of 491079716 is about 788.9521523938.

The spelling of 491079716 in words is "four hundred ninety-one million, seventy-nine thousand, seven hundred sixteen".