503899938 has 24 divisors (see below), whose sum is σ = 1112384988. Its totient is φ = 164797152.

The previous prime is 503899937. The next prime is 503899951. The reversal of 503899938 is 839998305.

It can be written as a sum of positive squares in 2 ways, for example, as 441126009 + 62773929 = 21003^2 + 7923^2 .

It is not an unprimeable number, because it can be changed into a prime (503899937) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 263145 + ... + 265052.

Almost surely, 2^503899938 is an apocalyptic number.

503899938 is an abundant number, since it is smaller than the sum of its proper divisors (608485050).

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

503899938 is a wasteful number, since it uses less digits than its factorization.

503899938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528258 (or 528255 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 503899938 is about 22447.7156521549. The cubic root of 503899938 is about 795.7587724292.

It can be divided in two parts, 5038 and 99938, that added together give a 4-th power (104976 = 18⁴).

The spelling of 503899938 in words is "five hundred three million, eight hundred ninety-nine thousand, nine hundred thirty-eight".