230686 has 4 divisors (see below), whose sum is σ = 346032. Its totient is φ = 115342.

The previous prime is 230683. The next prime is 230693. The reversal of 230686 is 686032.

230686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 230686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57670 + ... + 57673.

It is an arithmetic number, because the mean of its divisors is an integer number (86508).

2²³⁰⁶⁸⁶ is an apocalyptic number.

230686 is a deficient number, since it is larger than the sum of its proper divisors (115346).

230686 is a wasteful number, since it uses less digits than its factorization.

230686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115345.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 230686 is about 480.2978242716. The cubic root of 230686 is about 61.3301103641.

The spelling of 230686 in words is "two hundred thirty thousand, six hundred eighty-six".