491484992 has 28 divisors (see below), whose sum is σ = 976006176. Its totient is φ = 245562240.

The previous prime is 491484979. The next prime is 491485003. The reversal of 491484992 is 299484194.

It is a super-2 number, since 2×491484992² = 483114994722480128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 491484992.

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, 146243 + ... + 149565.

Almost surely, 2^491484992 is an apocalyptic number.

It is an amenable number.

491484992 is a deficient number, since it is larger than the sum of its proper divisors (484521184).

491484992 is a wasteful number, since it uses less digits than its factorization.

491484992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5636 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 491484992 is about 22169.4607963297. The cubic root of 491484992 is about 789.1691269797.

The spelling of 491484992 in words is "four hundred ninety-one million, four hundred eighty-four thousand, nine hundred ninety-two".