18944801 has 8 divisors (see below), whose sum is σ = 20450880. Its totient is φ = 17495632.

The previous prime is 18944791. The next prime is 18944803. The reversal of 18944801 is 10844981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18944801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18944803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13535 + ... + 14868.

It is an arithmetic number, because the mean of its divisors is an integer number (2556360).

Almost surely, 2^18944801 is an apocalyptic number.

It is an amenable number.

18944801 is a deficient number, since it is larger than the sum of its proper divisors (1506079).

18944801 is a wasteful number, since it uses less digits than its factorization.

18944801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28455.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 18944801 is about 4352.5625785277. The cubic root of 18944801 is about 266.5815052714.

The spelling of 18944801 in words is "eighteen million, nine hundred forty-four thousand, eight hundred one".