344240329 has 2 divisors, whose sum is σ = 344240330. Its totient is φ = 344240328.

The previous prime is 344240297. The next prime is 344240339. The reversal of 344240329 is 923042443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176278729 + 167961600 = 13277^2 + 12960^2 .

It is an emirp because it is prime and its reverse (923042443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344240329 - 2⁵ = 344240297 is a prime.

It is a super-2 number, since 2×344240329² = 237002808220056482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344240329.

It is not a weakly prime, because it can be changed into another prime (344240339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172120164 + 172120165.

It is an arithmetic number, because the mean of its divisors is an integer number (172120165).

Almost surely, 2^344240329 is an apocalyptic number.

It is an amenable number.

344240329 is a deficient number, since it is larger than the sum of its proper divisors (1).

344240329 is an equidigital number, since it uses as much as digits as its factorization.

344240329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 344240329 is about 18553.7146954458. The cubic root of 344240329 is about 700.8427462156.

It can be divided in two parts, 344240 and 329, that added together give a square (344569 = 587²).

The spelling of 344240329 in words is "three hundred forty-four million, two hundred forty thousand, three hundred twenty-nine".