18362944 has 28 divisors (see below), whose sum is σ = 36576000. Its totient is φ = 9147008.

The previous prime is 18362933. The next prime is 18362977. The reversal of 18362944 is 44926381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30357 + ... + 30955.

Almost surely, 2^18362944 is an apocalyptic number.

It is an amenable number.

18362944 is a deficient number, since it is larger than the sum of its proper divisors (18213056).

18362944 is an equidigital number, since it uses as much as digits as its factorization.

18362944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1080 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 18362944 is about 4285.2005787361. The cubic root of 18362944 is about 263.8238800841.

It can be divided in two parts, 18362 and 944, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 18362944 in words is "eighteen million, three hundred sixty-two thousand, nine hundred forty-four".