346009009 has 2 divisors, whose sum is σ = 346009010. Its totient is φ = 346009008.

The previous prime is 346008997. The next prime is 346009129. The reversal of 346009009 is 900900643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182169009 + 163840000 = 13497^2 + 12800^2 .

It is a cyclic number.

It is not a de Polignac number, because 346009009 - 2¹³ = 346000817 is a prime.

346009009 is a modest number, since divided by 9009 gives 346 as remainder.

It is not a weakly prime, because it can be changed into another prime (346009409) 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, 173004504 + 173004505.

It is an arithmetic number, because the mean of its divisors is an integer number (173004505).

Almost surely, 2^346009009 is an apocalyptic number.

It is an amenable number.

346009009 is a deficient number, since it is larger than the sum of its proper divisors (1).

346009009 is an equidigital number, since it uses as much as digits as its factorization.

346009009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 346009009 is about 18601.3173995822. The cubic root of 346009009 is about 702.0409882102.

The spelling of 346009009 in words is "three hundred forty-six million, nine thousand, nine".