508031668 has 12 divisors (see below), whose sum is σ = 903630532. Its totient is φ = 249851520.

The previous prime is 508031653. The next prime is 508031701. The reversal of 508031668 is 866130805.

It can be written as a sum of positive squares in 2 ways, for example, as 140849424 + 367182244 = 11868^2 + 19162^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1040805 + ... + 1041292.

Almost surely, 2^508031668 is an apocalyptic number.

It is an amenable number.

508031668 is a deficient number, since it is larger than the sum of its proper divisors (395598864).

508031668 is a wasteful number, since it uses less digits than its factorization.

508031668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082162 (or 2082160 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 508031668 is about 22539.5578483696. The cubic root of 508031668 is about 797.9277975222.

The spelling of 508031668 in words is "five hundred eight million, thirty-one thousand, six hundred sixty-eight".