343458347 has 2 divisors, whose sum is σ = 343458348. Its totient is φ = 343458346.

The previous prime is 343458319. The next prime is 343458371. The reversal of 343458347 is 743854343.

It is a strong prime.

It is an emirp because it is prime and its reverse (743854343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343458347 - 2⁸ = 343458091 is a prime.

It is a super-2 number, since 2×343458347² = 235927272247944818, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (343458317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171729173 + 171729174.

It is an arithmetic number, because the mean of its divisors is an integer number (171729174).

Almost surely, 2^343458347 is an apocalyptic number.

343458347 is a deficient number, since it is larger than the sum of its proper divisors (1).

343458347 is an equidigital number, since it uses as much as digits as its factorization.

343458347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 41.

The square root of 343458347 is about 18532.6292522135. The cubic root of 343458347 is about 700.3116618981.

The spelling of 343458347 in words is "three hundred forty-three million, four hundred fifty-eight thousand, three hundred forty-seven".