234389 has 4 divisors (see below), whose sum is σ = 239424. Its totient is φ = 229356.

The previous prime is 234383. The next prime is 234431. The reversal of 234389 is 983432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234389 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234383) 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, 2447 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (59856).

2²³⁴³⁸⁹ is an apocalyptic number.

It is an amenable number.

234389 is a deficient number, since it is larger than the sum of its proper divisors (5035).

234389 is an equidigital number, since it uses as much as digits as its factorization.

234389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034.

The product of its digits is 5184, while the sum is 29.

The square root of 234389 is about 484.1373771978. The cubic root of 234389 is about 61.6565294594.

The spelling of 234389 in words is "two hundred thirty-four thousand, three hundred eighty-nine".