18452 has 12 divisors (see below), whose sum is σ = 36960. Its totient is φ = 7896.

The previous prime is 18451. The next prime is 18457. The reversal of 18452 is 25481.

18452 is nontrivially palindromic in base 9.

18452 is an admirable number.

18452 is an undulating number in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18451) 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, 302 + ... + 357.

It is an arithmetic number, because the mean of its divisors is an integer number (3080).

2¹⁸⁴⁵² is an apocalyptic number.

It is an amenable number.

18452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18480).

18452 is a wasteful number, since it uses less digits than its factorization.

18452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 18452 is about 135.8381389743. The cubic root of 18452 is about 26.4249687252.

The spelling of 18452 in words is "eighteen thousand, four hundred fifty-two".