234189 has 6 divisors (see below), whose sum is σ = 338286. Its totient is φ = 156120.

The previous prime is 234187. The next prime is 234191. The reversal of 234189 is 981432.

It is an interprime number because it is at equal distance from previous prime (234187) and next prime (234191).

It can be written as a sum of positive squares in only one way, i.e., 233289 + 900 = 483^2 + 30^2 .

It is not a de Polignac number, because 234189 - 2¹ = 234187 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234181) 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, 13002 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (56381).

2²³⁴¹⁸⁹ is an apocalyptic number.

It is an amenable number.

234189 is a deficient number, since it is larger than the sum of its proper divisors (104097).

234189 is a wasteful number, since it uses less digits than its factorization.

234189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26027 (or 26024 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 234189 is about 483.9307801742. The cubic root of 234189 is about 61.6389876593.

It can be divided in two parts, 2 and 34189, that added together give a triangular number (34191 = T₂₆₁).

The spelling of 234189 in words is "two hundred thirty-four thousand, one hundred eighty-nine".