520938732 has 48 divisors (see below), whose sum is σ = 1282144640. Its totient is φ = 164166912.

The previous prime is 520938721. The next prime is 520938739. The reversal of 520938732 is 237839025.

It is not an unprimeable number, because it can be changed into a prime (520938739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122628 + ... + 126804.

Almost surely, 2^520938732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520938732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641072320).

520938732 is an abundant number, since it is smaller than the sum of its proper divisors (761205908).

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

520938732 is a wasteful number, since it uses less digits than its factorization.

520938732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4750 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 520938732 is about 22824.0822816603. The cubic root of 520938732 is about 804.6287562008.

The spelling of 520938732 in words is "five hundred twenty million, nine hundred thirty-eight thousand, seven hundred thirty-two".