234519839 has 4 divisors (see below), whose sum is σ = 242606760. Its totient is φ = 226432920.

The previous prime is 234519823. The next prime is 234519841. The reversal of 234519839 is 938915432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234519839 - 2⁴ = 234519823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234519839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234519889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043417 + ... + 4043474.

It is an arithmetic number, because the mean of its divisors is an integer number (60651690).

Almost surely, 2^234519839 is an apocalyptic number.

234519839 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

234519839 is a deficient number, since it is larger than the sum of its proper divisors (8086921).

234519839 is an equidigital number, since it uses as much as digits as its factorization.

234519839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086920.

The product of its digits is 233280, while the sum is 44.

The square root of 234519839 is about 15314.0405837258. The cubic root of 234519839 is about 616.6799981859.

The spelling of 234519839 in words is "two hundred thirty-four million, five hundred nineteen thousand, eight hundred thirty-nine".