252646344 has 64 divisors (see below), whose sum is σ = 738744000. Its totient is φ = 79781760.

The previous prime is 252646271. The next prime is 252646351. The reversal of 252646344 is 443646252.

252646344 is a `hidden beast` number, since 2 + 5 + 2 + 646 + 3 + 4 + 4 = 666.

252646344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 252646299 and 252646308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26677 + ... + 34884.

It is an arithmetic number, because the mean of its divisors is an integer number (11542875).

Almost surely, 2^252646344 is an apocalyptic number.

252646344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252646344 is an abundant number, since it is smaller than the sum of its proper divisors (486097656).

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

252646344 is a wasteful number, since it uses less digits than its factorization.

252646344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61595 (or 61585 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 252646344 is about 15894.8527517558. The cubic root of 252646344 is about 632.1755173998.

The spelling of 252646344 in words is "two hundred fifty-two million, six hundred forty-six thousand, three hundred forty-four".