506997908 has 12 divisors (see below), whose sum is σ = 887409600. Its totient is φ = 253452312.

The previous prime is 506997899. The next prime is 506997929. The reversal of 506997908 is 809799605.

It is a self number, because there is not a number n which added to its sum of digits gives 506997908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27143 + ... + 41841.

It is an arithmetic number, because the mean of its divisors is an integer number (73950800).

Almost surely, 2^506997908 is an apocalyptic number.

It is an amenable number.

506997908 is a deficient number, since it is larger than the sum of its proper divisors (380411692).

506997908 is a wasteful number, since it uses less digits than its factorization.

506997908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23326 (or 23324 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 506997908 is about 22516.6140438566. The cubic root of 506997908 is about 797.3862131988.

The spelling of 506997908 in words is "five hundred six million, nine hundred ninety-seven thousand, nine hundred eight".