18474334 has 8 divisors (see below), whose sum is σ = 28667160. Its totient is φ = 8918616.

The previous prime is 18474331. The next prime is 18474343. The reversal of 18474334 is 43347481.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18474334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18474331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159204 + ... + 159319.

It is an arithmetic number, because the mean of its divisors is an integer number (3583395).

Almost surely, 2^18474334 is an apocalyptic number.

18474334 is a deficient number, since it is larger than the sum of its proper divisors (10192826).

18474334 is a wasteful number, since it uses less digits than its factorization.

18474334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318554.

The product of its digits is 32256, while the sum is 34.

The square root of 18474334 is about 4298.1779860774. The cubic root of 18474334 is about 264.3562587709.

The spelling of 18474334 in words is "eighteen million, four hundred seventy-four thousand, three hundred thirty-four".