491164924 has 12 divisors (see below), whose sum is σ = 873629848. Its totient is φ = 241556400.

The previous prime is 491164907. The next prime is 491164937. The reversal of 491164924 is 429461194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006242 + ... + 1006729.

Almost surely, 2^491164924 is an apocalyptic number.

It is an amenable number.

491164924 is a deficient number, since it is larger than the sum of its proper divisors (382464924).

491164924 is a wasteful number, since it uses less digits than its factorization.

491164924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013036 (or 2013034 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 491164924 is about 22162.2409516727. The cubic root of 491164924 is about 788.9977805238.

The spelling of 491164924 in words is "four hundred ninety-one million, one hundred sixty-four thousand, nine hundred twenty-four".