491862484 has 12 divisors (see below), whose sum is σ = 861392308. Its totient is φ = 245750400.

The previous prime is 491862451. The next prime is 491862487. The reversal of 491862484 is 484268194.

It can be written as a sum of positive squares in 2 ways, for example, as 88736400 + 403126084 = 9420^2 + 20078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491862487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38997 + ... + 50044.

Almost surely, 2^491862484 is an apocalyptic number.

It is an amenable number.

491862484 is a deficient number, since it is larger than the sum of its proper divisors (369529824).

491862484 is a wasteful number, since it uses less digits than its factorization.

491862484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90426 (or 90424 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 491862484 is about 22177.9729461464. The cubic root of 491862484 is about 789.3711194443.

The spelling of 491862484 in words is "four hundred ninety-one million, eight hundred sixty-two thousand, four hundred eighty-four".