252823392 has 72 divisors (see below), whose sum is σ = 743783040. Its totient is φ = 81365760.

The previous prime is 252823379. The next prime is 252823397. The reversal of 252823392 is 293328252.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252823397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6784 + ... + 23487.

It is an arithmetic number, because the mean of its divisors is an integer number (10330320).

Almost surely, 2^252823392 is an apocalyptic number.

It is an amenable number.

252823392 is an abundant number, since it is smaller than the sum of its proper divisors (490959648).

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

252823392 is a wasteful number, since it uses less digits than its factorization.

252823392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30316 (or 30305 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 252823392 is about 15900.4211264985. The cubic root of 252823392 is about 632.3231536498.

The spelling of 252823392 in words is "two hundred fifty-two million, eight hundred twenty-three thousand, three hundred ninety-two".