252684 has 18 divisors (see below), whose sum is σ = 638820. Its totient is φ = 84216.

The previous prime is 252667. The next prime is 252691. The reversal of 252684 is 486252.

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

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3474 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (35490).

2²⁵²⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

252684 is an abundant number, since it is smaller than the sum of its proper divisors (386136).

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

252684 is a wasteful number, since it uses less digits than its factorization.

252684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7029 (or 7024 counting only the distinct ones).

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

The square root of 252684 is about 502.6768345568. The cubic root of 252684 is about 63.2206923645.

The spelling of 252684 in words is "two hundred fifty-two thousand, six hundred eighty-four".