18344194 has 32 divisors (see below), whose sum is σ = 31124736. Its totient is φ = 8037120.

The previous prime is 18344167. The next prime is 18344231. The reversal of 18344194 is 49144381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116764 + ... + 116920.

It is an arithmetic number, because the mean of its divisors is an integer number (972648).

Almost surely, 2^18344194 is an apocalyptic number.

18344194 is a deficient number, since it is larger than the sum of its proper divisors (12780542).

18344194 is a wasteful number, since it uses less digits than its factorization.

18344194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330.

The product of its digits is 13824, while the sum is 34.

The square root of 18344194 is about 4283.0122577457. The cubic root of 18344194 is about 263.7340545753.

The spelling of 18344194 in words is "eighteen million, three hundred forty-four thousand, one hundred ninety-four".