18382027 has 8 divisors (see below), whose sum is σ = 19459440. Its totient is φ = 17334240.

The previous prime is 18382019. The next prime is 18382033. The reversal of 18382027 is 72028381.

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 18382027 - 2³ = 18382019 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 18382027.

It is not an unprimeable number, because it can be changed into a prime (18382097) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6124 + ... + 8617.

It is an arithmetic number, because the mean of its divisors is an integer number (2432430).

Almost surely, 2^18382027 is an apocalyptic number.

18382027 is a deficient number, since it is larger than the sum of its proper divisors (1077413).

18382027 is a wasteful number, since it uses less digits than its factorization.

18382027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14813.

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

The square root of 18382027 is about 4287.4266174478. The cubic root of 18382027 is about 263.9152381314.

It can be divided in two parts, 18 and 382027, that multiplied together give a triangular number (6876486 = T₃₇₀₈).

The spelling of 18382027 in words is "eighteen million, three hundred eighty-two thousand, twenty-seven".