520339284 has 36 divisors (see below), whose sum is σ = 1331156736. Its totient is φ = 171355728.

The previous prime is 520339279. The next prime is 520339321. The reversal of 520339284 is 482933025.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 84084 + ... + 90059.

It is an arithmetic number, because the mean of its divisors is an integer number (36976576).

Almost surely, 2^520339284 is an apocalyptic number.

It is an amenable number.

520339284 is an abundant number, since it is smaller than the sum of its proper divisors (810817452).

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

520339284 is a wasteful number, since it uses less digits than its factorization.

520339284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174236 (or 174231 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 520339284 is about 22810.9465827265. The cubic root of 520339284 is about 804.3200070169.

The spelling of 520339284 in words is "five hundred twenty million, three hundred thirty-nine thousand, two hundred eighty-four".