252921846 has 32 divisors (see below), whose sum is σ = 528772608. Its totient is φ = 80498880.

The previous prime is 252921821. The next prime is 252921857. The reversal of 252921846 is 648129252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99066 + ... + 101586.

It is an arithmetic number, because the mean of its divisors is an integer number (16524144).

Almost surely, 2^252921846 is an apocalyptic number.

252921846 is an abundant number, since it is smaller than the sum of its proper divisors (275850762).

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

252921846 is a wasteful number, since it uses less digits than its factorization.

252921846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276.

The product of its digits is 69120, while the sum is 39.

The square root of 252921846 is about 15903.5167808884. The cubic root of 252921846 is about 632.4052223539.

The spelling of 252921846 in words is "two hundred fifty-two million, nine hundred twenty-one thousand, eight hundred forty-six".