344143439 has 2 divisors, whose sum is σ = 344143440. Its totient is φ = 344143438.

The previous prime is 344143433. The next prime is 344143453. The reversal of 344143439 is 934341443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344143439 - 2²⁰ = 343094863 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 344143399 and 344143408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344143433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172071719 + 172071720.

It is an arithmetic number, because the mean of its divisors is an integer number (172071720).

Almost surely, 2^344143439 is an apocalyptic number.

344143439 is a deficient number, since it is larger than the sum of its proper divisors (1).

344143439 is an equidigital number, since it uses as much as digits as its factorization.

344143439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 35.

The square root of 344143439 is about 18551.1034442698. The cubic root of 344143439 is about 700.7769868998.

The spelling of 344143439 in words is "three hundred forty-four million, one hundred forty-three thousand, four hundred thirty-nine".