344334217 has 2 divisors, whose sum is σ = 344334218. Its totient is φ = 344334216.

The previous prime is 344334187. The next prime is 344334223. The reversal of 344334217 is 712433443.

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., 211877136 + 132457081 = 14556^2 + 11509^2 .

It is a cyclic number.

It is not a de Polignac number, because 344334217 - 2¹¹ = 344332169 is a prime.

It is not a weakly prime, because it can be changed into another prime (344334317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172167108 + 172167109.

It is an arithmetic number, because the mean of its divisors is an integer number (172167109).

Almost surely, 2^344334217 is an apocalyptic number.

It is an amenable number.

344334217 is a deficient number, since it is larger than the sum of its proper divisors (1).

344334217 is an equidigital number, since it uses as much as digits as its factorization.

344334217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 344334217 is about 18556.2446901306. The cubic root of 344334217 is about 700.9064563013.

The spelling of 344334217 in words is "three hundred forty-four million, three hundred thirty-four thousand, two hundred seventeen".