18083044 has 48 divisors (see below), whose sum is σ = 37933056. Its totient is φ = 7380000.

The previous prime is 18083011. The next prime is 18083059. The reversal of 18083044 is 44038081.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71919 + ... + 72169.

It is an arithmetic number, because the mean of its divisors is an integer number (790272).

Almost surely, 2^18083044 is an apocalyptic number.

18083044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18083044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18966528).

18083044 is an abundant number, since it is smaller than the sum of its proper divisors (19850012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18083044 is a wasteful number, since it uses less digits than its factorization.

18083044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 18083044 is about 4252.4162543194. The cubic root of 18083044 is about 262.4765524030.

The spelling of 18083044 in words is "eighteen million, eighty-three thousand, forty-four".