520239084 has 12 divisors (see below), whose sum is σ = 1213891224. Its totient is φ = 173413024.

The previous prime is 520239079. The next prime is 520239089. The reversal of 520239084 is 480932025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (520239079) and next prime (520239089).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×520239084³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (520239089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21676617 + ... + 21676640.

It is an arithmetic number, because the mean of its divisors is an integer number (101157602).

Almost surely, 2^520239084 is an apocalyptic number.

It is an amenable number.

520239084 is an abundant number, since it is smaller than the sum of its proper divisors (693652140).

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

520239084 is a wasteful number, since it uses less digits than its factorization.

520239084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43353264 (or 43353262 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 520239084 is about 22808.7501630405. The cubic root of 520239084 is about 804.2683752958.

The spelling of 520239084 in words is "five hundred twenty million, two hundred thirty-nine thousand, eighty-four".