18327044 has 12 divisors (see below), whose sum is σ = 33466944. Its totient is φ = 8765064.

The previous prime is 18327013. The next prime is 18327047. The reversal of 18327044 is 44072381.

It is a junction number, because it is equal to n+sod(n) for n = 18326998 and 18327016.

It is not an unprimeable number, because it can be changed into a prime (18327047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99512 + ... + 99695.

It is an arithmetic number, because the mean of its divisors is an integer number (2788912).

Almost surely, 2^18327044 is an apocalyptic number.

It is an amenable number.

18327044 is a deficient number, since it is larger than the sum of its proper divisors (15139900).

18327044 is a wasteful number, since it uses less digits than its factorization.

18327044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199234 (or 199232 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 18327044 is about 4281.0096939858. The cubic root of 18327044 is about 263.6518405644.

The spelling of 18327044 in words is "eighteen million, three hundred twenty-seven thousand, forty-four".