347406347 has 2 divisors, whose sum is σ = 347406348. Its totient is φ = 347406346.

The previous prime is 347406313. The next prime is 347406349. The reversal of 347406347 is 743604743.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 347406347 - 2⁸ = 347406091 is a prime.

Together with 347406349, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 347406347.

It is not a weakly prime, because it can be changed into another prime (347406349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173703173 + 173703174.

It is an arithmetic number, because the mean of its divisors is an integer number (173703174).

Almost surely, 2^347406347 is an apocalyptic number.

347406347 is a deficient number, since it is larger than the sum of its proper divisors (1).

347406347 is an equidigital number, since it uses as much as digits as its factorization.

347406347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 38.

The square root of 347406347 is about 18638.8397439326. The cubic root of 347406347 is about 702.9847699461.

The spelling of 347406347 in words is "three hundred forty-seven million, four hundred six thousand, three hundred forty-seven".