343407697 has 2 divisors, whose sum is σ = 343407698. Its totient is φ = 343407696.

The previous prime is 343407679. The next prime is 343407719. The reversal of 343407697 is 796704343.

Together with previous prime (343407679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262569616 + 80838081 = 16204^2 + 8991^2 .

It is a cyclic number.

It is not a de Polignac number, because 343407697 - 2¹¹ = 343405649 is a prime.

It is not a weakly prime, because it can be changed into another prime (343407607) 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, 171703848 + 171703849.

It is an arithmetic number, because the mean of its divisors is an integer number (171703849).

Almost surely, 2^343407697 is an apocalyptic number.

It is an amenable number.

343407697 is a deficient number, since it is larger than the sum of its proper divisors (1).

343407697 is an equidigital number, since it uses as much as digits as its factorization.

343407697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 343407697 is about 18531.2626930817. The cubic root of 343407697 is about 700.2772350845.

The spelling of 343407697 in words is "three hundred forty-three million, four hundred seven thousand, six hundred ninety-seven".