234998618 has 16 divisors (see below), whose sum is σ = 363554664. Its totient is φ = 113840640.

The previous prime is 234998611. The next prime is 234998623. The reversal of 234998618 is 816899432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 234610489 + 388129 = 15317^2 + 623^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234998611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11246 + ... + 24422.

Almost surely, 2^234998618 is an apocalyptic number.

234998618 is a deficient number, since it is larger than the sum of its proper divisors (128556046).

234998618 is a wasteful number, since it uses less digits than its factorization.

234998618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13457.

The product of its digits is 746496, while the sum is 50.

The square root of 234998618 is about 15329.6646408198. The cubic root of 234998618 is about 617.0993695831.

The spelling of 234998618 in words is "two hundred thirty-four million, nine hundred ninety-eight thousand, six hundred eighteen".