252184788 has 72 divisors (see below), whose sum is σ = 671868288. Its totient is φ = 79599168.

The previous prime is 252184753. The next prime is 252184799. The reversal of 252184788 is 887481252.

It is a happy number.

252184788 is a `hidden beast` number, since 2 + 521 + 8 + 47 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83806 + ... + 86762.

It is an arithmetic number, because the mean of its divisors is an integer number (9331504).

Almost surely, 2^252184788 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 252184788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335934144).

252184788 is an abundant number, since it is smaller than the sum of its proper divisors (419683500).

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

252184788 is a wasteful number, since it uses less digits than its factorization.

252184788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3088 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 252184788 is about 15880.3270747173. The cubic root of 252184788 is about 631.7903119190.

The spelling of 252184788 in words is "two hundred fifty-two million, one hundred eighty-four thousand, seven hundred eighty-eight".