343820189 has 8 divisors (see below), whose sum is σ = 364247928. Its totient is φ = 323415040.

The previous prime is 343820177. The next prime is 343820209. The reversal of 343820189 is 981028343.

It can be written as a sum of positive squares in 4 ways, for example, as 258405625 + 85414564 = 16075^2 + 9242^2 .

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 343820189 - 2⁴ = 343820173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343820119) 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 in 7 ways as a sum of consecutive naturals, for example, 33509 + ... + 42549.

It is an arithmetic number, because the mean of its divisors is an integer number (45530991).

Almost surely, 2^343820189 is an apocalyptic number.

It is an amenable number.

343820189 is a deficient number, since it is larger than the sum of its proper divisors (20427739).

343820189 is a wasteful number, since it uses less digits than its factorization.

343820189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 343820189 is about 18542.3889776911. The cubic root of 343820189 is about 700.5575075618.

The spelling of 343820189 in words is "three hundred forty-three million, eight hundred twenty thousand, one hundred eighty-nine".