230491 has 4 divisors (see below), whose sum is σ = 233352. Its totient is φ = 227632.

The previous prime is 230479. The next prime is 230501. The reversal of 230491 is 194032.

230491 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 cyclic number.

It is not a de Polignac number, because 230491 - 2⁹ = 229979 is a prime.

It is a super-2 number, since 2×230491² = 106252202162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (58338).

2²³⁰⁴⁹¹ is an apocalyptic number.

230491 is a deficient number, since it is larger than the sum of its proper divisors (2861).

230491 is an equidigital number, since it uses as much as digits as its factorization.

230491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 230491 is about 480.0947823087. The cubic root of 230491 is about 61.3128246123.

The spelling of 230491 in words is "two hundred thirty thousand, four hundred ninety-one".