520708 has 12 divisors (see below), whose sum is σ = 916300. Its totient is φ = 258912.

The previous prime is 520703. The next prime is 520717. The reversal of 520708 is 807025.

It can be written as a sum of positive squares in 2 ways, for example, as 334084 + 186624 = 578^2 + 432^2 .

It is a super-2 number, since 2×520708² = 542273642528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520703) by changing a digit.

520708 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210 + ... + 1582.

2⁵²⁰⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

520708 is a deficient number, since it is larger than the sum of its proper divisors (395592).

520708 is a wasteful number, since it uses less digits than its factorization.

520708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 520708 is about 721.6009977820. The cubic root of 520708 is about 80.4509944392.

The spelling of 520708 in words is "five hundred twenty thousand, seven hundred eight".