18374146 has 16 divisors (see below), whose sum is σ = 32094144. Its totient is φ = 7725744.

The previous prime is 18374137. The next prime is 18374149. The reversal of 18374146 is 64147381.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18374149) 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, 11640 + ... + 13123.

It is an arithmetic number, because the mean of its divisors is an integer number (2005884).

Almost surely, 2^18374146 is an apocalyptic number.

18374146 is a deficient number, since it is larger than the sum of its proper divisors (13719998).

18374146 is a wasteful number, since it uses less digits than its factorization.

18374146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24825.

The product of its digits is 16128, while the sum is 34.

The square root of 18374146 is about 4286.5074361303. The cubic root of 18374146 is about 263.8775162613.

The spelling of 18374146 in words is "eighteen million, three hundred seventy-four thousand, one hundred forty-six".