349235779 has 2 divisors, whose sum is σ = 349235780. Its totient is φ = 349235778.

The previous prime is 349235773. The next prime is 349235833. The reversal of 349235779 is 977532943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349235779 - 2³ = 349235771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (349235771) 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, 174617889 + 174617890.

It is an arithmetic number, because the mean of its divisors is an integer number (174617890).

Almost surely, 2^349235779 is an apocalyptic number.

349235779 is a deficient number, since it is larger than the sum of its proper divisors (1).

349235779 is an equidigital number, since it uses as much as digits as its factorization.

349235779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 49.

The square root of 349235779 is about 18687.8511070695. The cubic root of 349235779 is about 704.2165762243.

The spelling of 349235779 in words is "three hundred forty-nine million, two hundred thirty-five thousand, seven hundred seventy-nine".