520930928 has 20 divisors (see below), whose sum is σ = 1153490160. Its totient is φ = 223256064.

The previous prime is 520930903. The next prime is 520930957. The reversal of 520930928 is 829039025.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 520930891 and 520930900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325473 + ... + 2325696.

It is an arithmetic number, because the mean of its divisors is an integer number (57674508).

Almost surely, 2^520930928 is an apocalyptic number.

It is an amenable number.

520930928 is an abundant number, since it is smaller than the sum of its proper divisors (632559232).

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

520930928 is a wasteful number, since it uses less digits than its factorization.

520930928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651184 (or 4651178 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 520930928 is about 22823.9113212438. The cubic root of 520930928 is about 804.6247382273.

The spelling of 520930928 in words is "five hundred twenty million, nine hundred thirty thousand, nine hundred twenty-eight".