234891 has 6 divisors (see below), whose sum is σ = 339300. Its totient is φ = 156588.

The previous prime is 234869. The next prime is 234893. The reversal of 234891 is 198432.

It is a de Polignac number, because none of the positive numbers 2^k-234891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234893) 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, 13041 + ... + 13058.

It is an arithmetic number, because the mean of its divisors is an integer number (56550).

2²³⁴⁸⁹¹ is an apocalyptic number.

234891 is a deficient number, since it is larger than the sum of its proper divisors (104409).

234891 is a wasteful number, since it uses less digits than its factorization.

234891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26105 (or 26102 counting only the distinct ones).

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

The square root of 234891 is about 484.6555477863. The cubic root of 234891 is about 61.7005154646.

The spelling of 234891 in words is "two hundred thirty-four thousand, eight hundred ninety-one".