344809349 has 2 divisors, whose sum is σ = 344809350. Its totient is φ = 344809348.

The previous prime is 344809337. The next prime is 344809357. The reversal of 344809349 is 943908443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326958724 + 17850625 = 18082^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 344809349 - 2¹⁶ = 344743813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344809649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172404674 + 172404675.

It is an arithmetic number, because the mean of its divisors is an integer number (172404675).

Almost surely, 2^344809349 is an apocalyptic number.

It is an amenable number.

344809349 is a deficient number, since it is larger than the sum of its proper divisors (1).

344809349 is an equidigital number, since it uses as much as digits as its factorization.

344809349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 344809349 is about 18569.0427593885. The cubic root of 344809349 is about 701.2286917076.

The spelling of 344809349 in words is "three hundred forty-four million, eight hundred nine thousand, three hundred forty-nine".