230439986 has 16 divisors (see below), whose sum is σ = 395518464. Its totient is φ = 98640384.

The previous prime is 230439983. The next prime is 230439991. The reversal of 230439986 is 689934032.

230439986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230439983) 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, 2546 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (24719904).

Almost surely, 2^230439986 is an apocalyptic number.

230439986 is a deficient number, since it is larger than the sum of its proper divisors (165078478).

230439986 is a wasteful number, since it uses less digits than its factorization.

230439986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19945.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 230439986 is about 15180.2498661913. The cubic root of 230439986 is about 613.0830087349.

The spelling of 230439986 in words is "two hundred thirty million, four hundred thirty-nine thousand, nine hundred eighty-six".