231486 has 16 divisors (see below), whose sum is σ = 474768. Its totient is φ = 75200.

The previous prime is 231481. The next prime is 231493. The reversal of 231486 is 684132.

It is a happy number.

231486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231481) by changing a digit.

231486 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 7 ways as a sum of consecutive naturals, for example, 225 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (29673).

2²³¹⁴⁸⁶ is an apocalyptic number.

231486 is an abundant number, since it is smaller than the sum of its proper divisors (243282).

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

231486 is a wasteful number, since it uses less digits than its factorization.

231486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its digits is 1152, while the sum is 24.

The square root of 231486 is about 481.1299200840. The cubic root of 231486 is about 61.4009244875.

It can be divided in two parts, 231 and 486, that added together give a palindrome (717).

The spelling of 231486 in words is "two hundred thirty-one thousand, four hundred eighty-six".