18328027 has 8 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 17308584.

The previous prime is 18328021. The next prime is 18328031. The reversal of 18328027 is 72082381.

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

It is a cyclic number.

It is not a de Polignac number, because 18328027 - 2⁷ = 18327899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18328027.

It is not an unprimeable number, because it can be changed into a prime (18328021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5478 + ... + 8164.

It is an arithmetic number, because the mean of its divisors is an integer number (2419200).

Almost surely, 2^18328027 is an apocalyptic number.

18328027 is a deficient number, since it is larger than the sum of its proper divisors (1025573).

18328027 is a wasteful number, since it uses less digits than its factorization.

18328027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 18328027 is about 4281.1245018102. The cubic root of 18328027 is about 263.6565542746.

The spelling of 18328027 in words is "eighteen million, three hundred twenty-eight thousand, twenty-seven".