344432117 has 2 divisors, whose sum is σ = 344432118. Its totient is φ = 344432116.

The previous prime is 344432113. The next prime is 344432129. The reversal of 344432117 is 711234443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246144721 + 98287396 = 15689^2 + 9914^2 .

It is an emirp because it is prime and its reverse (711234443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344432117 - 2² = 344432113 is a prime.

It is a super-2 number, since 2×344432117² = 237266966442203378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344432117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344432113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172216058 + 172216059.

It is an arithmetic number, because the mean of its divisors is an integer number (172216059).

Almost surely, 2^344432117 is an apocalyptic number.

It is an amenable number.

344432117 is a deficient number, since it is larger than the sum of its proper divisors (1).

344432117 is an equidigital number, since it uses as much as digits as its factorization.

344432117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 344432117 is about 18558.8824286378. The cubic root of 344432117 is about 700.9728764986.

The spelling of 344432117 in words is "three hundred forty-four million, four hundred thirty-two thousand, one hundred seventeen".