343606369 has 2 divisors, whose sum is σ = 343606370. Its totient is φ = 343606368.

The previous prime is 343606321. The next prime is 343606391. The reversal of 343606369 is 963606343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219395344 + 124211025 = 14812^2 + 11145^2 .

It is a cyclic number.

It is not a de Polignac number, because 343606369 - 2¹⁹ = 343082081 is a prime.

It is a super-2 number, since 2×343606369² = 236130673634728322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343606399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171803184 + 171803185.

It is an arithmetic number, because the mean of its divisors is an integer number (171803185).

Almost surely, 2^343606369 is an apocalyptic number.

It is an amenable number.

343606369 is a deficient number, since it is larger than the sum of its proper divisors (1).

343606369 is an equidigital number, since it uses as much as digits as its factorization.

343606369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 40.

The square root of 343606369 is about 18536.6223730215. The cubic root of 343606369 is about 700.4122530813.

The spelling of 343606369 in words is "three hundred forty-three million, six hundred six thousand, three hundred sixty-nine".