499924881 has 27 divisors (see below), whose sum is σ = 750794161. Its totient is φ = 320538624.

The previous prime is 499924819. The next prime is 499924883. The reversal of 499924881 is 188429994.

The square root of 499924881 is 22359.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 200081025 + 299843856 = 14145^2 + 17316^2 .

It is not a de Polignac number, because 499924881 - 2⁷ = 499924753 is a prime.

It is a super-2 number, since 2×499924881² = 499849773285728322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499924883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1945105 + ... + 1945361.

Almost surely, 2^499924881 is an apocalyptic number.

499924881 is the 22359-th square number.

499924881 is the 11180-th centered octagonal number.

It is an amenable number.

499924881 is a deficient number, since it is larger than the sum of its proper divisors (250869280).

499924881 is an equidigital number, since it uses as much as digits as its factorization.

499924881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 289 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The cubic root of 499924881 is about 793.6607760002.

The spelling of 499924881 in words is "four hundred ninety-nine million, nine hundred twenty-four thousand, eight hundred eighty-one".