231884 has 12 divisors (see below), whose sum is σ = 420000. Its totient is φ = 111888.

The previous prime is 231877. The next prime is 231893. The reversal of 231884 is 488132.

231884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is an unprimeable number.

231884 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (35000).

2²³¹⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

231884 is a deficient number, since it is larger than the sum of its proper divisors (188116).

231884 is a wasteful number, since it uses less digits than its factorization.

231884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2030 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 231884 is about 481.5433521501. The cubic root of 231884 is about 61.4360937503.

The spelling of 231884 in words is "two hundred thirty-one thousand, eight hundred eighty-four".