507906838 has 16 divisors (see below), whose sum is σ = 795824640. Its totient is φ = 242655336.

The previous prime is 507906829. The next prime is 507906871. The reversal of 507906838 is 838609705.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 7 ways as a sum of consecutive naturals, for example, 42481 + ... + 53107.

It is an arithmetic number, because the mean of its divisors is an integer number (49739040).

Almost surely, 2^507906838 is an apocalyptic number.

507906838 is a deficient number, since it is larger than the sum of its proper divisors (287917802).

507906838 is a wasteful number, since it uses less digits than its factorization.

507906838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 507906838 is about 22536.7885467295. The cubic root of 507906838 is about 797.8624384167.

The spelling of 507906838 in words is "five hundred seven million, nine hundred six thousand, eight hundred thirty-eight".