349348291 has 2 divisors, whose sum is σ = 349348292. Its totient is φ = 349348290.

The previous prime is 349348271. The next prime is 349348301. The reversal of 349348291 is 192843943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 349348291 - 2⁷ = 349348163 is a prime.

It is not a weakly prime, because it can be changed into another prime (349348261) 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, 174674145 + 174674146.

It is an arithmetic number, because the mean of its divisors is an integer number (174674146).

Almost surely, 2^349348291 is an apocalyptic number.

349348291 is a deficient number, since it is larger than the sum of its proper divisors (1).

349348291 is an equidigital number, since it uses as much as digits as its factorization.

349348291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 349348291 is about 18690.8611626110. The cubic root of 349348291 is about 704.2921930549.

The spelling of 349348291 in words is "three hundred forty-nine million, three hundred forty-eight thousand, two hundred ninety-one".