18234 has 12 divisors (see below), whose sum is σ = 39546. Its totient is φ = 6072.

The previous prime is 18233. The next prime is 18251. The reversal of 18234 is 43281.

It is a happy number.

18234 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 18225 + 9 = 135^2 + 3^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1013 = 18234 / (1 + 8 + 2 + 3 + 4).

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (18233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 489 + ... + 524.

2¹⁸²³⁴ is an apocalyptic number.

18234 is an abundant number, since it is smaller than the sum of its proper divisors (21312).

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

18234 is a wasteful number, since it uses less digits than its factorization.

18234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1018 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 18234 is about 135.0333292191. The cubic root of 18234 is about 26.3204908092.

It can be divided in two parts, 182 and 34, that added together give a cube (216 = 6³).

The spelling of 18234 in words is "eighteen thousand, two hundred thirty-four".