18330814 has 8 divisors (see below), whose sum is σ = 28135800. Its totient is φ = 8952216.

The previous prime is 18330803. The next prime is 18330859. The reversal of 18330814 is 41803381.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106489 + ... + 106660.

It is an arithmetic number, because the mean of its divisors is an integer number (3516975).

Almost surely, 2^18330814 is an apocalyptic number.

18330814 is a deficient number, since it is larger than the sum of its proper divisors (9804986).

18330814 is a wasteful number, since it uses less digits than its factorization.

18330814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213194.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18330814 is about 4281.4499880298. The cubic root of 18330814 is about 263.6699176620.

The spelling of 18330814 in words is "eighteen million, three hundred thirty thousand, eight hundred fourteen".