344683709 has 2 divisors, whose sum is σ = 344683710. Its totient is φ = 344683708.

The previous prime is 344683667. The next prime is 344683747. The reversal of 344683709 is 907386443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191047684 + 153636025 = 13822^2 + 12395^2 .

It is an emirp because it is prime and its reverse (907386443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344683709 - 2¹² = 344679613 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344683709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344683799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172341854 + 172341855.

It is an arithmetic number, because the mean of its divisors is an integer number (172341855).

Almost surely, 2^344683709 is an apocalyptic number.

It is an amenable number.

344683709 is a deficient number, since it is larger than the sum of its proper divisors (1).

344683709 is an equidigital number, since it uses as much as digits as its factorization.

344683709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 344683709 is about 18565.6594011632. The cubic root of 344683709 is about 701.1435112293.

The spelling of 344683709 in words is "three hundred forty-four million, six hundred eighty-three thousand, seven hundred nine".