18027954 has 64 divisors (see below), whose sum is σ = 47059200. Its totient is φ = 5007744.

The previous prime is 18027953. The next prime is 18027959. The reversal of 18027954 is 45972081.

It is a super-2 number, since 2×18027954² = 650014250852232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18027953) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13342 + ... + 14630.

It is an arithmetic number, because the mean of its divisors is an integer number (735300).

Almost surely, 2^18027954 is an apocalyptic number.

18027954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18027954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23529600).

18027954 is an abundant number, since it is smaller than the sum of its proper divisors (29031246).

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

18027954 is a wasteful number, since it uses less digits than its factorization.

18027954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 18027954 is about 4245.9338195502. The cubic root of 18027954 is about 262.2097362973.

It can be divided in two parts, 18027 and 954, that added together give a palindrome (18981).

The spelling of 18027954 in words is "eighteen million, twenty-seven thousand, nine hundred fifty-four".