343339669 has 2 divisors, whose sum is σ = 343339670. Its totient is φ = 343339668.

The previous prime is 343339643. The next prime is 343339679. The reversal of 343339669 is 966933343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298944100 + 44395569 = 17290^2 + 6663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343339669 is a prime.

It is a super-2 number, since 2×343339669² = 235764256618059122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343339639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171669834 + 171669835.

It is an arithmetic number, because the mean of its divisors is an integer number (171669835).

Almost surely, 2^343339669 is an apocalyptic number.

It is an amenable number.

343339669 is a deficient number, since it is larger than the sum of its proper divisors (1).

343339669 is an equidigital number, since it uses as much as digits as its factorization.

343339669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 46.

The square root of 343339669 is about 18529.4271093307. The cubic root of 343339669 is about 700.2309911144.

The spelling of 343339669 in words is "three hundred forty-three million, three hundred thirty-nine thousand, six hundred sixty-nine".