18793244 has 6 divisors (see below), whose sum is σ = 32888184. Its totient is φ = 9396620.

The previous prime is 18793241. The next prime is 18793267. The reversal of 18793244 is 44239781.

It is a junction number, because it is equal to n+sod(n) for n = 18793198 and 18793207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18793241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2349152 + ... + 2349159.

It is an arithmetic number, because the mean of its divisors is an integer number (5481364).

Almost surely, 2^18793244 is an apocalyptic number.

It is an amenable number.

18793244 is a deficient number, since it is larger than the sum of its proper divisors (14094940).

18793244 is a wasteful number, since it uses less digits than its factorization.

18793244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698315 (or 4698313 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 18793244 is about 4335.1175301253. The cubic root of 18793244 is about 265.8687237359.

The spelling of 18793244 in words is "eighteen million, seven hundred ninety-three thousand, two hundred forty-four".