500658138 has 16 divisors (see below), whose sum is σ = 1112573760. Its totient is φ = 166886028.

The previous prime is 500658121. The next prime is 500658149. The reversal of 500658138 is 831856005.

It is a super-2 number, since 2×500658138² = 501317142291254088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4635670 + ... + 4635777.

It is an arithmetic number, because the mean of its divisors is an integer number (69535860).

Almost surely, 2^500658138 is an apocalyptic number.

500658138 is an abundant number, since it is smaller than the sum of its proper divisors (611915622).

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

500658138 is a wasteful number, since it uses less digits than its factorization.

500658138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271458 (or 9271452 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 500658138 is about 22375.3913485329. The cubic root of 500658138 is about 794.0486162856.

The spelling of 500658138 in words is "five hundred million, six hundred fifty-eight thousand, one hundred thirty-eight".