520899672 has 32 divisors (see below), whose sum is σ = 1324324800. Its totient is φ = 170689824.

The previous prime is 520899671. The next prime is 520899683. The reversal of 520899672 is 276998025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520899671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 182518 + ... + 185349.

It is an arithmetic number, because the mean of its divisors is an integer number (41385150).

Almost surely, 2^520899672 is an apocalyptic number.

It is an amenable number.

520899672 is an abundant number, since it is smaller than the sum of its proper divisors (803425128).

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

520899672 is a wasteful number, since it uses less digits than its factorization.

520899672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367935 (or 367931 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 520899672 is about 22823.2265904714. The cubic root of 520899672 is about 804.6086453363.

The spelling of 520899672 in words is "five hundred twenty million, eight hundred ninety-nine thousand, six hundred seventy-two".