343718897 has 2 divisors, whose sum is σ = 343718898. Its totient is φ = 343718896.

The previous prime is 343718887. The next prime is 343718941. The reversal of 343718897 is 798817343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256128016 + 87590881 = 16004^2 + 9359^2 .

It is a cyclic number.

It is not a de Polignac number, because 343718897 - 2¹² = 343714801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343718887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171859448 + 171859449.

It is an arithmetic number, because the mean of its divisors is an integer number (171859449).

Almost surely, 2^343718897 is an apocalyptic number.

It is an amenable number.

343718897 is a deficient number, since it is larger than the sum of its proper divisors (1).

343718897 is an equidigital number, since it uses as much as digits as its factorization.

343718897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The square root of 343718897 is about 18539.6574132318. The cubic root of 343718897 is about 700.4887043104.

The spelling of 343718897 in words is "three hundred forty-three million, seven hundred eighteen thousand, eight hundred ninety-seven".