18282027 has 4 divisors (see below), whose sum is σ = 24376040. Its totient is φ = 12188016.

The previous prime is 18282007. The next prime is 18282029. The reversal of 18282027 is 72028281.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 18282027 - 2⁸ = 18281771 is a prime.

It is a super-2 number, since 2×18282027² = 668465022457458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18281985 and 18282003.

It is not an unprimeable number, because it can be changed into a prime (18282029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047002 + ... + 3047007.

It is an arithmetic number, because the mean of its divisors is an integer number (6094010).

Almost surely, 2^18282027 is an apocalyptic number.

18282027 is a deficient number, since it is larger than the sum of its proper divisors (6094013).

18282027 is an equidigital number, since it uses as much as digits as its factorization.

18282027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094012.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 18282027 is about 4275.7487063671. The cubic root of 18282027 is about 263.4357928839.

The spelling of 18282027 in words is "eighteen million, two hundred eighty-two thousand, twenty-seven".