520247396 has 48 divisors (see below), whose sum is σ = 1010257920. Its totient is φ = 233974400.

The previous prime is 520247389. The next prime is 520247407. The reversal of 520247396 is 693742025.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451421 + ... + 452571.

It is an arithmetic number, because the mean of its divisors is an integer number (21047040).

Almost surely, 2^520247396 is an apocalyptic number.

It is an amenable number.

520247396 is a deficient number, since it is larger than the sum of its proper divisors (490010524).

520247396 is a wasteful number, since it uses less digits than its factorization.

520247396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 520247396 is about 22808.9323730858. The cubic root of 520247396 is about 804.2726586105.

The spelling of 520247396 in words is "five hundred twenty million, two hundred forty-seven thousand, three hundred ninety-six".