522345984 has 80 divisors (see below), whose sum is σ = 1407566160. Its totient is φ = 172113920.

The previous prime is 522345977. The next prime is 522345991. The reversal of 522345984 is 489543225.

It is an interprime number because it is at equal distance from previous prime (522345977) and next prime (522345991).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134794 + ... + 138614.

It is an arithmetic number, because the mean of its divisors is an integer number (17594577).

Almost surely, 2^522345984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522345984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703783080).

522345984 is an abundant number, since it is smaller than the sum of its proper divisors (885220176).

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

522345984 is an equidigital number, since it uses as much as digits as its factorization.

522345984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931 (or 3915 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 522345984 is about 22854.8897175200. The cubic root of 522345984 is about 805.3526400159.

The spelling of 522345984 in words is "five hundred twenty-two million, three hundred forty-five thousand, nine hundred eighty-four".