343465189 has 2 divisors, whose sum is σ = 343465190. Its totient is φ = 343465188.

The previous prime is 343465181. The next prime is 343465207. The reversal of 343465189 is 981564343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260564164 + 82901025 = 16142^2 + 9105^2 .

It is a cyclic number.

It is not a de Polignac number, because 343465189 - 2³ = 343465181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343465181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171732594 + 171732595.

It is an arithmetic number, because the mean of its divisors is an integer number (171732595).

Almost surely, 2^343465189 is an apocalyptic number.

It is an amenable number.

343465189 is a deficient number, since it is larger than the sum of its proper divisors (1).

343465189 is an equidigital number, since it uses as much as digits as its factorization.

343465189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 343465189 is about 18532.8138446378. The cubic root of 343465189 is about 700.3163121471.

The spelling of 343465189 in words is "three hundred forty-three million, four hundred sixty-five thousand, one hundred eighty-nine".