341739809 has 2 divisors, whose sum is σ = 341739810. Its totient is φ = 341739808.

The previous prime is 341739803. The next prime is 341739817. The reversal of 341739809 is 908937143.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306075025 + 35664784 = 17495^2 + 5972^2 .

It is a cyclic number.

It is not a de Polignac number, because 341739809 - 2⁸ = 341739553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 341739809.

It is not a weakly prime, because it can be changed into another prime (341739803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170869904 + 170869905.

It is an arithmetic number, because the mean of its divisors is an integer number (170869905).

Almost surely, 2^341739809 is an apocalyptic number.

It is an amenable number.

341739809 is a deficient number, since it is larger than the sum of its proper divisors (1).

341739809 is an equidigital number, since it uses as much as digits as its factorization.

341739809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 341739809 is about 18486.2059114357. The cubic root of 341739809 is about 699.1416751818.

The spelling of 341739809 in words is "three hundred forty-one million, seven hundred thirty-nine thousand, eight hundred nine".