520387038 has 16 divisors (see below), whose sum is σ = 1156415760. Its totient is φ = 173462328.

The previous prime is 520387027. The next prime is 520387069. The reversal of 520387038 is 830783025.

520387038 is a `hidden beast` number, since 520 + 38 + 70 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 520386993 and 520387011.

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 7 ways as a sum of consecutive naturals, for example, 4818345 + ... + 4818452.

It is an arithmetic number, because the mean of its divisors is an integer number (72275985).

Almost surely, 2^520387038 is an apocalyptic number.

520387038 is an abundant number, since it is smaller than the sum of its proper divisors (636028722).

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

520387038 is a wasteful number, since it uses less digits than its factorization.

520387038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636808 (or 9636802 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 520387038 is about 22811.9932930027. The cubic root of 520387038 is about 804.3446116828.

The spelling of 520387038 in words is "five hundred twenty million, three hundred eighty-seven thousand, thirty-eight".