344644117 has 2 divisors, whose sum is σ = 344644118. Its totient is φ = 344644116.

The previous prime is 344644093. The next prime is 344644123. The reversal of 344644117 is 711446443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223622116 + 121022001 = 14954^2 + 11001^2 .

It is a cyclic number.

It is not a de Polignac number, because 344644117 - 2²⁷ = 210426389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344644127) 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, 172322058 + 172322059.

It is an arithmetic number, because the mean of its divisors is an integer number (172322059).

Almost surely, 2^344644117 is an apocalyptic number.

It is an amenable number.

344644117 is a deficient number, since it is larger than the sum of its proper divisors (1).

344644117 is an equidigital number, since it uses as much as digits as its factorization.

344644117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 344644117 is about 18564.5931008466. The cubic root of 344644117 is about 701.1166646488.

The spelling of 344644117 in words is "three hundred forty-four million, six hundred forty-four thousand, one hundred seventeen".