344108209 has 2 divisors, whose sum is σ = 344108210. Its totient is φ = 344108208.

The previous prime is 344108201. The next prime is 344108227. The reversal of 344108209 is 902801443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252714609 + 91393600 = 15897^2 + 9560^2 .

It is a cyclic number.

It is not a de Polignac number, because 344108209 - 2³ = 344108201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (344108201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172054104 + 172054105.

It is an arithmetic number, because the mean of its divisors is an integer number (172054105).

Almost surely, 2^344108209 is an apocalyptic number.

It is an amenable number.

344108209 is a deficient number, since it is larger than the sum of its proper divisors (1).

344108209 is an equidigital number, since it uses as much as digits as its factorization.

344108209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 344108209 is about 18550.1538807634. The cubic root of 344108209 is about 700.7530732126.

The spelling of 344108209 in words is "three hundred forty-four million, one hundred eight thousand, two hundred nine".