18944192 has 56 divisors (see below), whose sum is σ = 39776400. Its totient is φ = 8938496.

The previous prime is 18944147. The next prime is 18944201. The reversal of 18944192 is 29144981.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109418 + ... + 109590.

Almost surely, 2^18944192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18944192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19888200).

18944192 is an abundant number, since it is smaller than the sum of its proper divisors (20832208).

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

18944192 is a wasteful number, since it uses less digits than its factorization.

18944192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 263 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 18944192 is about 4352.4926191781. The cubic root of 18944192 is about 266.5786487291.

The spelling of 18944192 in words is "eighteen million, nine hundred forty-four thousand, one hundred ninety-two".