343800361 has 2 divisors, whose sum is σ = 343800362. Its totient is φ = 343800360.

The previous prime is 343800349. The next prime is 343800371. The reversal of 343800361 is 163008343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284124736 + 59675625 = 16856^2 + 7725^2 .

It is a cyclic number.

It is not a de Polignac number, because 343800361 - 2⁵ = 343800329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343800371) 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, 171900180 + 171900181.

It is an arithmetic number, because the mean of its divisors is an integer number (171900181).

Almost surely, 2^343800361 is an apocalyptic number.

It is an amenable number.

343800361 is a deficient number, since it is larger than the sum of its proper divisors (1).

343800361 is an equidigital number, since it uses as much as digits as its factorization.

343800361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 343800361 is about 18541.8543031704. The cubic root of 343800361 is about 700.5440403274.

The spelling of 343800361 in words is "three hundred forty-three million, eight hundred thousand, three hundred sixty-one".