344161217 has 2 divisors, whose sum is σ = 344161218. Its totient is φ = 344161216.

The previous prime is 344161199. The next prime is 344161253. The reversal of 344161217 is 712161443.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185804161 + 158357056 = 13631^2 + 12584^2 .

It is a cyclic number.

It is not a de Polignac number, because 344161217 - 2⁸ = 344160961 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 344161217.

It is not a weakly prime, because it can be changed into another prime (344161717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172080608 + 172080609.

It is an arithmetic number, because the mean of its divisors is an integer number (172080609).

Almost surely, 2^344161217 is an apocalyptic number.

It is an amenable number.

344161217 is a deficient number, since it is larger than the sum of its proper divisors (1).

344161217 is an equidigital number, since it uses as much as digits as its factorization.

344161217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 344161217 is about 18551.5826009535. The cubic root of 344161217 is about 700.7890537663.

The spelling of 344161217 in words is "three hundred forty-four million, one hundred sixty-one thousand, two hundred seventeen".