18444952 has 16 divisors (see below), whose sum is σ = 34815600. Its totient is φ = 9160800.

The previous prime is 18444941. The next prime is 18444961. The reversal of 18444952 is 25944481.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6427 + ... + 8842.

It is an arithmetic number, because the mean of its divisors is an integer number (2175975).

Almost surely, 2^18444952 is an apocalyptic number.

It is an amenable number.

18444952 is a deficient number, since it is larger than the sum of its proper divisors (16370648).

18444952 is a wasteful number, since it uses less digits than its factorization.

18444952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15426 (or 15422 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 18444952 is about 4294.7586660952. The cubic root of 18444952 is about 264.2160383439.

The spelling of 18444952 in words is "eighteen million, four hundred forty-four thousand, nine hundred fifty-two".