18328367 has 2 divisors, whose sum is σ = 18328368. Its totient is φ = 18328366.

The previous prime is 18328333. The next prime is 18328379. The reversal of 18328367 is 76382381.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18328367 - 2¹⁴ = 18311983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18328367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18328307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9164183 + 9164184.

It is an arithmetic number, because the mean of its divisors is an integer number (9164184).

Almost surely, 2^18328367 is an apocalyptic number.

18328367 is a deficient number, since it is larger than the sum of its proper divisors (1).

18328367 is an equidigital number, since it uses as much as digits as its factorization.

18328367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 18328367 is about 4281.1642108193. The cubic root of 18328367 is about 263.6581846133.

The spelling of 18328367 in words is "eighteen million, three hundred twenty-eight thousand, three hundred sixty-seven".