231894 has 24 divisors (see below), whose sum is σ = 541632. Its totient is φ = 71280.

The previous prime is 231893. The next prime is 231901. The reversal of 231894 is 498132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (22568).

2²³¹⁸⁹⁴ is an apocalyptic number.

231894 is an abundant number, since it is smaller than the sum of its proper divisors (309738).

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

231894 is a wasteful number, since it uses less digits than its factorization.

231894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1009 counting only the distinct ones).

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

The square root of 231894 is about 481.5537353193. The cubic root of 231894 is about 61.4369768817.

The spelling of 231894 in words is "two hundred thirty-one thousand, eight hundred ninety-four".