520404892 has 18 divisors (see below), whose sum is σ = 1059396072. Its totient is φ = 223030584.

The previous prime is 520404883. The next prime is 520404893. The reversal of 520404892 is 298404025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520404893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1327368 + ... + 1327759.

Almost surely, 2^520404892 is an apocalyptic number.

It is an amenable number.

520404892 is an abundant number, since it is smaller than the sum of its proper divisors (538991180).

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

520404892 is a wasteful number, since it uses less digits than its factorization.

520404892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655145 (or 2655136 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 520404892 is about 22812.3846188863. The cubic root of 520404892 is about 804.3538103519.

The spelling of 520404892 in words is "five hundred twenty million, four hundred four thousand, eight hundred ninety-two".