343606109 has 16 divisors (see below), whose sum is σ = 434267520. Its totient is φ = 264072960.

The previous prime is 343606103. The next prime is 343606129. The reversal of 343606109 is 901606343.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 343606109 - 2²⁸ = 75170653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343606103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24944 + ... + 36185.

It is an arithmetic number, because the mean of its divisors is an integer number (27141720).

Almost surely, 2^343606109 is an apocalyptic number.

It is an amenable number.

343606109 is a deficient number, since it is larger than the sum of its proper divisors (90661411).

343606109 is a wasteful number, since it uses less digits than its factorization.

343606109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61220.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 343606109 is about 18536.6153598762. The cubic root of 343606109 is about 700.4120764186.

The spelling of 343606109 in words is "three hundred forty-three million, six hundred six thousand, one hundred nine".