18444848 has 20 divisors (see below), whose sum is σ = 36412848. Its totient is φ = 9048000.

The previous prime is 18444823. The next prime is 18444851. The reversal of 18444848 is 84844481.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10028 + ... + 11723.

Almost surely, 2^18444848 is an apocalyptic number.

It is an amenable number.

18444848 is a deficient number, since it is larger than the sum of its proper divisors (17968000).

18444848 is a wasteful number, since it uses less digits than its factorization.

18444848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21812 (or 21806 counting only the distinct ones).

The product of its digits is 131072, while the sum is 41.

The square root of 18444848 is about 4294.7465582965. The cubic root of 18444848 is about 264.2155417578.

The spelling of 18444848 in words is "eighteen million, four hundred forty-four thousand, eight hundred forty-eight".