234789 has 8 divisors (see below), whose sum is σ = 318432. Its totient is φ = 153840.

The previous prime is 234781. The next prime is 234791. The reversal of 234789 is 987432.

234789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234789 - 2³ = 234781 is a prime.

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

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459 + ... + 824.

It is an arithmetic number, because the mean of its divisors is an integer number (39804).

2²³⁴⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

234789 is a deficient number, since it is larger than the sum of its proper divisors (83643).

234789 is a wasteful number, since it uses less digits than its factorization.

234789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its digits is 12096, while the sum is 33.

The square root of 234789 is about 484.5503069858. The cubic root of 234789 is about 61.6915831460.

Adding to 234789 its reverse (987432), we get a palindrome (1222221).

The spelling of 234789 in words is "two hundred thirty-four thousand, seven hundred eighty-nine".