491076684 has 72 divisors (see below), whose sum is σ = 1451690240. Its totient is φ = 137041632.

The previous prime is 491076653. The next prime is 491076697. The reversal of 491076684 is 486670194.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11824 + ... + 33495.

Almost surely, 2^491076684 is an apocalyptic number.

It is an amenable number.

491076684 is an abundant number, since it is smaller than the sum of its proper divisors (960613556).

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

491076684 is a wasteful number, since it uses less digits than its factorization.

491076684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45379 (or 45374 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 491076684 is about 22160.2500888415. The cubic root of 491076684 is about 788.9505286874.

The spelling of 491076684 in words is "four hundred ninety-one million, seventy-six thousand, six hundred eighty-four".