252444786 has 16 divisors (see below), whose sum is σ = 550788768. Its totient is φ = 76498400.

The previous prime is 252444769. The next prime is 252444793. The reversal of 252444786 is 687444252.

It is a happy number.

252444786 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912395 + ... + 1912526.

It is an arithmetic number, because the mean of its divisors is an integer number (34424298).

Almost surely, 2^252444786 is an apocalyptic number.

252444786 is an abundant number, since it is smaller than the sum of its proper divisors (298343982).

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

252444786 is a wasteful number, since it uses less digits than its factorization.

252444786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824937.

The product of its digits is 430080, while the sum is 42.

The square root of 252444786 is about 15888.5111322616. The cubic root of 252444786 is about 632.0073588445.

The spelling of 252444786 in words is "two hundred fifty-two million, four hundred forty-four thousand, seven hundred eighty-six".