18842344 has 32 divisors (see below), whose sum is σ = 36808200. Its totient is φ = 9031680.

The previous prime is 18842339. The next prime is 18842353. The reversal of 18842344 is 44324881.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16402500 + 2439844 = 4050^2 + 1562^2 .

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, 55744 + ... + 56080.

Almost surely, 2^18842344 is an apocalyptic number.

It is an amenable number.

18842344 is a deficient number, since it is larger than the sum of its proper divisors (17965856).

18842344 is a wasteful number, since it uses less digits than its factorization.

18842344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 609 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 18842344 is about 4340.7768889912. The cubic root of 18842344 is about 266.1000622282.

The spelling of 18842344 in words is "eighteen million, eight hundred forty-two thousand, three hundred forty-four".