18376044 has 12 divisors (see below), whose sum is σ = 42877464. Its totient is φ = 6125344.

The previous prime is 18376027. The next prime is 18376049. The reversal of 18376044 is 44067381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 18375996 and 18376014.

It is not an unprimeable number, because it can be changed into a prime (18376049) by changing a digit.

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, 765657 + ... + 765680.

It is an arithmetic number, because the mean of its divisors is an integer number (3573122).

Almost surely, 2^18376044 is an apocalyptic number.

It is an amenable number.

18376044 is an abundant number, since it is smaller than the sum of its proper divisors (24501420).

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

18376044 is a wasteful number, since it uses less digits than its factorization.

18376044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531344 (or 1531342 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 18376044 is about 4286.7288227738. The cubic root of 18376044 is about 263.8866018950.

The spelling of 18376044 in words is "eighteen million, three hundred seventy-six thousand, forty-four".