343018189 has 8 divisors (see below), whose sum is σ = 348957080. Its totient is φ = 337089600.

The previous prime is 343018187. The next prime is 343018199. The reversal of 343018189 is 981810343.

It can be written as a sum of positive squares in 4 ways, for example, as 1988100 + 341030089 = 1410^2 + 18467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343018189 - 2¹ = 343018187 is a prime.

It is a super-2 number, since 2×343018189² = 235322955969679442, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343018183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97147 + ... + 100615.

It is an arithmetic number, because the mean of its divisors is an integer number (43619635).

Almost surely, 2^343018189 is an apocalyptic number.

It is an amenable number.

343018189 is a deficient number, since it is larger than the sum of its proper divisors (5938891).

343018189 is a wasteful number, since it uses less digits than its factorization.

343018189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 343018189 is about 18520.7502277851. The cubic root of 343018189 is about 700.0123732507.

The spelling of 343018189 in words is "three hundred forty-three million, eighteen thousand, one hundred eighty-nine".