343443589 has 2 divisors, whose sum is σ = 343443590. Its totient is φ = 343443588.

The previous prime is 343443587. The next prime is 343443619. The reversal of 343443589 is 985344343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264322564 + 79121025 = 16258^2 + 8895^2 .

It is a cyclic number.

It is not a de Polignac number, because 343443589 - 2¹ = 343443587 is a prime.

Together with 343443587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343443587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171721794 + 171721795.

It is an arithmetic number, because the mean of its divisors is an integer number (171721795).

Almost surely, 2^343443589 is an apocalyptic number.

It is an amenable number.

343443589 is a deficient number, since it is larger than the sum of its proper divisors (1).

343443589 is an equidigital number, since it uses as much as digits as its factorization.

343443589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 43.

The square root of 343443589 is about 18532.2310853281. The cubic root of 343443589 is about 700.3016312324.

The spelling of 343443589 in words is "three hundred forty-three million, four hundred forty-three thousand, five hundred eighty-nine".