18252844 has 12 divisors (see below), whose sum is σ = 33623800. Its totient is φ = 8646048.

The previous prime is 18252833. The next prime is 18252851. The reversal of 18252844 is 44825281.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120009 + ... + 120160.

Almost surely, 2^18252844 is an apocalyptic number.

It is an amenable number.

18252844 is a deficient number, since it is larger than the sum of its proper divisors (15370956).

18252844 is a wasteful number, since it uses less digits than its factorization.

18252844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240192 (or 240190 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 18252844 is about 4272.3347247143. The cubic root of 18252844 is about 263.2955469291.

The spelling of 18252844 in words is "eighteen million, two hundred fifty-two thousand, eight hundred forty-four".