230887 has 4 divisors (see below), whose sum is σ = 231880. Its totient is φ = 229896.

The previous prime is 230873. The next prime is 230891. The reversal of 230887 is 788032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (57970).

2²³⁰⁸⁸⁷ is an apocalyptic number.

230887 is a deficient number, since it is larger than the sum of its proper divisors (993).

230887 is an equidigital number, since it uses as much as digits as its factorization.

230887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 230887 is about 480.5070238821. The cubic root of 230887 is about 61.3479177930.

The spelling of 230887 in words is "two hundred thirty thousand, eight hundred eighty-seven".