18414338 has 8 divisors (see below), whose sum is σ = 27641088. Its totient is φ = 9200644.

The previous prime is 18414317. The next prime is 18414343. The reversal of 18414338 is 83341481.

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

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 3 ways as a sum of consecutive naturals, for example, 1895 + ... + 6357.

It is an arithmetic number, because the mean of its divisors is an integer number (3455136).

Almost surely, 2^18414338 is an apocalyptic number.

18414338 is a deficient number, since it is larger than the sum of its proper divisors (9226750).

18414338 is a wasteful number, since it uses less digits than its factorization.

18414338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528.

The product of its digits is 9216, while the sum is 32.

The square root of 18414338 is about 4291.1930741928. The cubic root of 18414338 is about 264.0697799167.

The spelling of 18414338 in words is "eighteen million, four hundred fourteen thousand, three hundred thirty-eight".