520476 has 24 divisors (see below), whose sum is σ = 1325184. Its totient is φ = 157680.

The previous prime is 520451. The next prime is 520529. The reversal of 520476 is 674025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

520476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (55216).

2⁵²⁰⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

520476 is an abundant number, since it is smaller than the sum of its proper divisors (804708).

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

520476 is a wasteful number, since it uses less digits than its factorization.

520476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 520476 is about 721.4402262142. The cubic root of 520476 is about 80.4390444254.

The spelling of 520476 in words is "five hundred twenty thousand, four hundred seventy-six".