343285669 has 2 divisors, whose sum is σ = 343285670. Its totient is φ = 343285668.

The previous prime is 343285651. The next prime is 343285703. The reversal of 343285669 is 966582343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295496100 + 47789569 = 17190^2 + 6913^2 .

It is an emirp because it is prime and its reverse (966582343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343285669 - 2²¹ = 341188517 is a prime.

It is a super-2 number, since 2×343285669² = 235690101081555122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343288669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171642834 + 171642835.

It is an arithmetic number, because the mean of its divisors is an integer number (171642835).

Almost surely, 2^343285669 is an apocalyptic number.

It is an amenable number.

343285669 is a deficient number, since it is larger than the sum of its proper divisors (1).

343285669 is an equidigital number, since it uses as much as digits as its factorization.

343285669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 46.

The square root of 343285669 is about 18527.9699103814. The cubic root of 343285669 is about 700.1942787278.

The spelling of 343285669 in words is "three hundred forty-three million, two hundred eighty-five thousand, six hundred sixty-nine".