508358538 has 16 divisors (see below), whose sum is σ = 1129685760. Its totient is φ = 169452828.

The previous prime is 508358507. The next prime is 508358579. The reversal of 508358538 is 835853805.

508358538 is a `hidden beast` number, since 508 + 35 + 85 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 508358493 and 508358502.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4706970 + ... + 4707077.

It is an arithmetic number, because the mean of its divisors is an integer number (70605360).

Almost surely, 2^508358538 is an apocalyptic number.

508358538 is an abundant number, since it is smaller than the sum of its proper divisors (621327222).

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

508358538 is a wasteful number, since it uses less digits than its factorization.

508358538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414058 (or 9414052 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 508358538 is about 22546.8077119578. The cubic root of 508358538 is about 798.0988910178.

The spelling of 508358538 in words is "five hundred eight million, three hundred fifty-eight thousand, five hundred thirty-eight".