344555117 has 2 divisors, whose sum is σ = 344555118. Its totient is φ = 344555116.

The previous prime is 344555093. The next prime is 344555129. The reversal of 344555117 is 711555443.

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., 323496196 + 21058921 = 17986^2 + 4589^2 .

It is a cyclic number.

It is not a de Polignac number, because 344555117 - 2⁶ = 344555053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344555147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172277558 + 172277559.

It is an arithmetic number, because the mean of its divisors is an integer number (172277559).

Almost surely, 2^344555117 is an apocalyptic number.

It is an amenable number.

344555117 is a deficient number, since it is larger than the sum of its proper divisors (1).

344555117 is an equidigital number, since it uses as much as digits as its factorization.

344555117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 35.

The square root of 344555117 is about 18562.1959099671. The cubic root of 344555117 is about 701.0563079387.

The spelling of 344555117 in words is "three hundred forty-four million, five hundred fifty-five thousand, one hundred seventeen".