520097690 has 32 divisors (see below), whose sum is σ = 1077632640. Its totient is φ = 177033024.

The previous prime is 520097681. The next prime is 520097713. The reversal of 520097690 is 96790025.

It is a super-2 number, since 2×520097690² = 541003214286672200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16997 + ... + 36456.

It is an arithmetic number, because the mean of its divisors is an integer number (33676020).

Almost surely, 2^520097690 is an apocalyptic number.

520097690 is an abundant number, since it is smaller than the sum of its proper divisors (557534950).

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

520097690 is a wasteful number, since it uses less digits than its factorization.

520097690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53606.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 520097690 is about 22805.6503963382. The cubic root of 520097690 is about 804.1955055774.

The spelling of 520097690 in words is "five hundred twenty million, ninety-seven thousand, six hundred ninety".