520938 has 32 divisors (see below), whose sum is σ = 1264320. Its totient is φ = 157680.

The previous prime is 520921. The next prime is 520943. The reversal of 520938 is 839025.

520938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 156 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (39510).

2⁵²⁰⁹³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632160).

520938 is an abundant number, since it is smaller than the sum of its proper divisors (743382).

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

520938 is a wasteful number, since it uses less digits than its factorization.

520938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 520938 is about 721.7603480380. The cubic root of 520938 is about 80.4628379324.

The spelling of 520938 in words is "five hundred twenty thousand, nine hundred thirty-eight".