343975339 has 2 divisors, whose sum is σ = 343975340. Its totient is φ = 343975338.

The previous prime is 343975283. The next prime is 343975391. The reversal of 343975339 is 933579343.

It is a strong prime.

It is an emirp because it is prime and its reverse (933579343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343975339 - 2⁷ = 343975211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343975439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171987669 + 171987670.

It is an arithmetic number, because the mean of its divisors is an integer number (171987670).

Almost surely, 2^343975339 is an apocalyptic number.

343975339 is a deficient number, since it is larger than the sum of its proper divisors (1).

343975339 is an equidigital number, since it uses as much as digits as its factorization.

343975339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 46.

The square root of 343975339 is about 18546.5721630710. The cubic root of 343975339 is about 700.6628680145.

The spelling of 343975339 in words is "three hundred forty-three million, nine hundred seventy-five thousand, three hundred thirty-nine".