230440186 has 16 divisors (see below), whose sum is σ = 349840008. Its totient is φ = 113832000.

The previous prime is 230440123. The next prime is 230440211. The reversal of 230440186 is 681044032.

It can be written as a sum of positive squares in 4 ways, for example, as 102637161 + 127803025 = 10131^2 + 11305^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122896 + ... + 124756.

Almost surely, 2^230440186 is an apocalyptic number.

230440186 is a deficient number, since it is larger than the sum of its proper divisors (119399822).

230440186 is a wasteful number, since it uses less digits than its factorization.

230440186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 230440186 is about 15180.2564536967. The cubic root of 230440186 is about 613.0831861007.

The spelling of 230440186 in words is "two hundred thirty million, four hundred forty thousand, one hundred eighty-six".