520604946 has 12 divisors (see below), whose sum is σ = 1127977422. Its totient is φ = 173534976.

The previous prime is 520604939. The next prime is 520604963. The reversal of 520604946 is 649406025.

520604946 is a `hidden beast` number, since 5 + 2 + 0 + 604 + 9 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 405579321 + 115025625 = 20139^2 + 10725^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 520604946.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14461231 + ... + 14461266.

Almost surely, 2^520604946 is an apocalyptic number.

520604946 is an abundant number, since it is smaller than the sum of its proper divisors (607372476).

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

520604946 is a wasteful number, since it uses less digits than its factorization.

520604946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28922505 (or 28922502 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 520604946 is about 22816.7689649521. The cubic root of 520604946 is about 804.4568670196.

The spelling of 520604946 in words is "five hundred twenty million, six hundred four thousand, nine hundred forty-six".