18079418 has 8 divisors (see below), whose sum is σ = 30993312. Its totient is φ = 7748316.

The previous prime is 18079379. The next prime is 18079427. The reversal of 18079418 is 81497081.

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

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, 645680 + ... + 645707.

It is an arithmetic number, because the mean of its divisors is an integer number (3874164).

Almost surely, 2^18079418 is an apocalyptic number.

18079418 is a deficient number, since it is larger than the sum of its proper divisors (12913894).

18079418 is a wasteful number, since it uses less digits than its factorization.

18079418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291396.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 18079418 is about 4251.9898870999. The cubic root of 18079418 is about 262.4590073554.

The spelling of 18079418 in words is "eighteen million, seventy-nine thousand, four hundred eighteen".