18056944 has 20 divisors (see below), whose sum is σ = 35058024. Its totient is φ = 9009728.

The previous prime is 18056939. The next prime is 18056953. The reversal of 18056944 is 44965081.

It is a happy number.

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, 9999 + ... + 11665.

Almost surely, 2^18056944 is an apocalyptic number.

It is an amenable number.

18056944 is a deficient number, since it is larger than the sum of its proper divisors (17001080).

18056944 is a wasteful number, since it uses less digits than its factorization.

18056944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 18056944 is about 4249.3463026682. The cubic root of 18056944 is about 262.3502105364.

The spelling of 18056944 in words is "eighteen million, fifty-six thousand, nine hundred forty-four".