343606189 has 2 divisors, whose sum is σ = 343606190. Its totient is φ = 343606188.

The previous prime is 343606183. The next prime is 343606213. The reversal of 343606189 is 981606343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221503689 + 122102500 = 14883^2 + 11050^2 .

It is an emirp because it is prime and its reverse (981606343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343606189 - 2⁵ = 343606157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343606183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171803094 + 171803095.

It is an arithmetic number, because the mean of its divisors is an integer number (171803095).

Almost surely, 2^343606189 is an apocalyptic number.

It is an amenable number.

343606189 is a deficient number, since it is larger than the sum of its proper divisors (1).

343606189 is an equidigital number, since it uses as much as digits as its factorization.

343606189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 343606189 is about 18536.6175177674. The cubic root of 343606189 is about 700.4121307764.

The spelling of 343606189 in words is "three hundred forty-three million, six hundred six thousand, one hundred eighty-nine".