252856344 has 32 divisors (see below), whose sum is σ = 680767920. Its totient is φ = 77801856.

The previous prime is 252856343. The next prime is 252856369. The reversal of 252856344 is 443658252.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252856343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404907 + ... + 405530.

Almost surely, 2^252856344 is an apocalyptic number.

252856344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252856344 is an abundant number, since it is smaller than the sum of its proper divisors (427911576).

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

252856344 is a wasteful number, since it uses less digits than its factorization.

252856344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810459 (or 810455 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 252856344 is about 15901.4572917076. The cubic root of 252856344 is about 632.3506239552.

The spelling of 252856344 in words is "two hundred fifty-two million, eight hundred fifty-six thousand, three hundred forty-four".