349859347 has 2 divisors, whose sum is σ = 349859348. Its totient is φ = 349859346.

The previous prime is 349859317. The next prime is 349859357. The reversal of 349859347 is 743958943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 349859347 - 2²⁷ = 215641619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349859294 and 349859303.

It is not a weakly prime, because it can be changed into another prime (349859317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174929673 + 174929674.

It is an arithmetic number, because the mean of its divisors is an integer number (174929674).

Almost surely, 2^349859347 is an apocalyptic number.

349859347 is a deficient number, since it is larger than the sum of its proper divisors (1).

349859347 is an equidigital number, since it uses as much as digits as its factorization.

349859347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 349859347 is about 18704.5274465836. The cubic root of 349859347 is about 704.6354583000.

The spelling of 349859347 in words is "three hundred forty-nine million, eight hundred fifty-nine thousand, three hundred forty-seven".