230638998 has 16 divisors (see below), whose sum is σ = 461442240. Its totient is φ = 76852296.

The previous prime is 230638997. The next prime is 230639023. The reversal of 230638998 is 899836032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230638997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18813 + ... + 28551.

It is an arithmetic number, because the mean of its divisors is an integer number (28840140).

Almost surely, 2^230638998 is an apocalyptic number.

230638998 is an abundant number, since it is smaller than the sum of its proper divisors (230803242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230638998 is a wasteful number, since it uses less digits than its factorization.

230638998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 230638998 is about 15186.8034161241. The cubic root of 230638998 is about 613.2594476870.

The spelling of 230638998 in words is "two hundred thirty million, six hundred thirty-eight thousand, nine hundred ninety-eight".