522684 has 18 divisors (see below), whose sum is σ = 1321320. Its totient is φ = 174216.

The previous prime is 522679. The next prime is 522689. The reversal of 522684 is 486225.

It is an interprime number because it is at equal distance from previous prime (522679) and next prime (522689).

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7224 + ... + 7295.

2⁵²²⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

522684 is an abundant number, since it is smaller than the sum of its proper divisors (798636).

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

522684 is a wasteful number, since it uses less digits than its factorization.

522684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14529 (or 14524 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 522684 is about 722.9688789983. The cubic root of 522684 is about 80.5526320162.

The spelling of 522684 in words is "five hundred twenty-two thousand, six hundred eighty-four".