234394439 has 2 divisors, whose sum is σ = 234394440. Its totient is φ = 234394438.

The previous prime is 234394427. The next prime is 234394463. The reversal of 234394439 is 934493432.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234394439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234394396 and 234394405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234391439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117197219 + 117197220.

It is an arithmetic number, because the mean of its divisors is an integer number (117197220).

Almost surely, 2^234394439 is an apocalyptic number.

234394439 is a deficient number, since it is larger than the sum of its proper divisors (1).

234394439 is an equidigital number, since it uses as much as digits as its factorization.

234394439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

The square root of 234394439 is about 15309.9457543128. The cubic root of 234394439 is about 616.5700636924.

The spelling of 234394439 in words is "two hundred thirty-four million, three hundred ninety-four thousand, four hundred thirty-nine".