343228189 has 2 divisors, whose sum is σ = 343228190. Its totient is φ = 343228188.

The previous prime is 343228163. The next prime is 343228201. The reversal of 343228189 is 981822343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211208089 + 132020100 = 14533^2 + 11490^2 .

It is a cyclic number.

It is not a de Polignac number, because 343228189 - 2¹⁵ = 343195421 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 (343228289) 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, 171614094 + 171614095.

It is an arithmetic number, because the mean of its divisors is an integer number (171614095).

Almost surely, 2^343228189 is an apocalyptic number.

It is an amenable number.

343228189 is a deficient number, since it is larger than the sum of its proper divisors (1).

343228189 is an equidigital number, since it uses as much as digits as its factorization.

343228189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 343228189 is about 18526.4186771216. The cubic root of 343228189 is about 700.1551962013.

It can be divided in two parts, 34 and 3228189, that added together give a palindrome (3228223).

The spelling of 343228189 in words is "three hundred forty-three million, two hundred twenty-eight thousand, one hundred eighty-nine".