344408329 has 2 divisors, whose sum is σ = 344408330. Its totient is φ = 344408328.

The previous prime is 344408327. The next prime is 344408377. The reversal of 344408329 is 923804443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318551104 + 25857225 = 17848^2 + 5085^2 .

It is an emirp because it is prime and its reverse (923804443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344408329 - 2¹ = 344408327 is a prime.

Together with 344408327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (344408327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172204164 + 172204165.

It is an arithmetic number, because the mean of its divisors is an integer number (172204165).

Almost surely, 2^344408329 is an apocalyptic number.

It is an amenable number.

344408329 is a deficient number, since it is larger than the sum of its proper divisors (1).

344408329 is an equidigital number, since it uses as much as digits as its factorization.

344408329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 344408329 is about 18558.2415384648. The cubic root of 344408329 is about 700.9567387017.

The spelling of 344408329 in words is "three hundred forty-four million, four hundred eight thousand, three hundred twenty-nine".