18329914 has 8 divisors (see below), whose sum is σ = 28443060. Its totient is φ = 8848896.

The previous prime is 18329903. The next prime is 18329923. The reversal of 18329914 is 41992381.

It can be written as a sum of positive squares in 2 ways, for example, as 18275625 + 54289 = 4275^2 + 233^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157959 + ... + 158074.

Almost surely, 2^18329914 is an apocalyptic number.

18329914 is a deficient number, since it is larger than the sum of its proper divisors (10113146).

18329914 is a wasteful number, since it uses less digits than its factorization.

18329914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316064.

The product of its digits is 15552, while the sum is 37.

The square root of 18329914 is about 4281.3448821603. The cubic root of 18329914 is about 263.6656023998.

The spelling of 18329914 in words is "eighteen million, three hundred twenty-nine thousand, nine hundred fourteen".