234239189 has 16 divisors (see below), whose sum is σ = 245266560. Its totient is φ = 223534080.

The previous prime is 234239179. The next prime is 234239219. The reversal of 234239189 is 981932432.

It is a cyclic number.

It is not a de Polignac number, because 234239189 - 2⁸ = 234238933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234239129) 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 15 ways as a sum of consecutive naturals, for example, 370904 + ... + 371534.

It is an arithmetic number, because the mean of its divisors is an integer number (15329160).

Almost surely, 2^234239189 is an apocalyptic number.

It is an amenable number.

234239189 is a deficient number, since it is larger than the sum of its proper divisors (11027371).

234239189 is an equidigital number, since it uses as much as digits as its factorization.

234239189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its digits is 93312, while the sum is 41.

The square root of 234239189 is about 15304.8746809636. The cubic root of 234239189 is about 616.4339062472.

The spelling of 234239189 in words is "two hundred thirty-four million, two hundred thirty-nine thousand, one hundred eighty-nine".