230986591 has 16 divisors (see below), whose sum is σ = 266048640. Its totient is φ = 198335520.

The previous prime is 230986559. The next prime is 230986607. The reversal of 230986591 is 195689032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 230986591 - 2⁵ = 230986559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230986541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76476 + ... + 79438.

It is an arithmetic number, because the mean of its divisors is an integer number (16628040).

Almost surely, 2^230986591 is an apocalyptic number.

230986591 is a deficient number, since it is larger than the sum of its proper divisors (35062049).

230986591 is a wasteful number, since it uses less digits than its factorization.

230986591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 230986591 is about 15198.2430234550. The cubic root of 230986591 is about 613.5673714651.

The spelling of 230986591 in words is "two hundred thirty million, nine hundred eighty-six thousand, five hundred ninety-one".