230393989 has 8 divisors (see below), whose sum is σ = 263723328. Its totient is φ = 197168640.

The previous prime is 230393987. The next prime is 230394007. The reversal of 230393989 is 989393032.

It is a happy number.

230393989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230393989 - 2¹ = 230393987 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230393987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21187 + ... + 30160.

It is an arithmetic number, because the mean of its divisors is an integer number (32965416).

Almost surely, 2^230393989 is an apocalyptic number.

It is an amenable number.

230393989 is a deficient number, since it is larger than the sum of its proper divisors (33329339).

230393989 is an equidigital number, since it uses as much as digits as its factorization.

230393989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51995.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 230393989 is about 15178.7347628187. The cubic root of 230393989 is about 613.0422145189.

It can be divided in two parts, 23039 and 3989, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 230393989 in words is "two hundred thirty million, three hundred ninety-three thousand, nine hundred eighty-nine".