341897209 has 2 divisors, whose sum is σ = 341897210. Its totient is φ = 341897208.

The previous prime is 341897189. The next prime is 341897239. The reversal of 341897209 is 902798143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280227600 + 61669609 = 16740^2 + 7853^2 .

It is a cyclic number.

It is not a de Polignac number, because 341897209 - 2⁵ = 341897177 is a prime.

It is not a weakly prime, because it can be changed into another prime (341897239) 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, 170948604 + 170948605.

It is an arithmetic number, because the mean of its divisors is an integer number (170948605).

Almost surely, 2^341897209 is an apocalyptic number.

It is an amenable number.

341897209 is a deficient number, since it is larger than the sum of its proper divisors (1).

341897209 is an equidigital number, since it uses as much as digits as its factorization.

341897209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 341897209 is about 18490.4626497013. The cubic root of 341897209 is about 699.2489966060.

The spelling of 341897209 in words is "three hundred forty-one million, eight hundred ninety-seven thousand, two hundred nine".