349361839 has 2 divisors, whose sum is σ = 349361840. Its totient is φ = 349361838.

The previous prime is 349361827. The next prime is 349361891. The reversal of 349361839 is 938163943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349361839 - 2¹⁷ = 349230767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349361809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174680919 + 174680920.

It is an arithmetic number, because the mean of its divisors is an integer number (174680920).

Almost surely, 2^349361839 is an apocalyptic number.

349361839 is a deficient number, since it is larger than the sum of its proper divisors (1).

349361839 is an equidigital number, since it uses as much as digits as its factorization.

349361839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 46.

The square root of 349361839 is about 18691.2235822056. The cubic root of 349361839 is about 704.3012972713.

The spelling of 349361839 in words is "three hundred forty-nine million, three hundred sixty-one thousand, eight hundred thirty-nine".