18027000 has 96 divisors (see below), whose sum is σ = 60961680. Its totient is φ = 4804800.

The previous prime is 18026959. The next prime is 18027011. The reversal of 18027000 is 72081.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7999 + ... + 10001.

Almost surely, 2^18027000 is an apocalyptic number.

18027000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18027000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30480840).

18027000 is an abundant number, since it is smaller than the sum of its proper divisors (42934680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18027000 is a wasteful number, since it uses less digits than its factorization.

18027000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 18027000 is about 4245.8214752860. The cubic root of 18027000 is about 262.2051110266.

Adding to 18027000 its reverse (72081), we get a palindrome (18099081).

The spelling of 18027000 in words is "eighteen million, twenty-seven thousand".