230293889 has 16 divisors (see below), whose sum is σ = 279751680. Its totient is φ = 185178960.

The previous prime is 230293879. The next prime is 230293891. The reversal of 230293889 is 988392032.

It is a cyclic number.

It is not a de Polignac number, because 230293889 - 2⁴ = 230293873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230293879) 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 15 ways as a sum of consecutive naturals, for example, 5294 + ... + 22104.

It is an arithmetic number, because the mean of its divisors is an integer number (17484480).

Almost surely, 2^230293889 is an apocalyptic number.

It is an amenable number.

230293889 is a deficient number, since it is larger than the sum of its proper divisors (49457791).

230293889 is a wasteful number, since it uses less digits than its factorization.

230293889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16940.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 230293889 is about 15175.4370283033. The cubic root of 230293889 is about 612.9534181991.

The spelling of 230293889 in words is "two hundred thirty million, two hundred ninety-three thousand, eight hundred eighty-nine".