344108861 has 2 divisors, whose sum is σ = 344108862. Its totient is φ = 344108860.

The previous prime is 344108803. The next prime is 344108879. The reversal of 344108861 is 168801443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276556900 + 67551961 = 16630^2 + 8219^2 .

It is an emirp because it is prime and its reverse (168801443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344108861 - 2⁶ = 344108797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344108161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172054430 + 172054431.

It is an arithmetic number, because the mean of its divisors is an integer number (172054431).

Almost surely, 2^344108861 is an apocalyptic number.

It is an amenable number.

344108861 is a deficient number, since it is larger than the sum of its proper divisors (1).

344108861 is an equidigital number, since it uses as much as digits as its factorization.

344108861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 344108861 is about 18550.1714547332. The cubic root of 344108861 is about 700.7535157969.

The spelling of 344108861 in words is "three hundred forty-four million, one hundred eight thousand, eight hundred sixty-one".