338669 has 2 divisors, whose sum is σ = 338670. Its totient is φ = 338668.

The previous prime is 338659. The next prime is 338683. The reversal of 338669 is 966833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170569 + 168100 = 413^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 338669 - 2⁸ = 338413 is a prime.

It is a super-2 number, since 2×338669² = 229393383122, 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 (338609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169334 + 169335.

It is an arithmetic number, because the mean of its divisors is an integer number (169335).

2³³⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

338669 is a deficient number, since it is larger than the sum of its proper divisors (1).

338669 is an equidigital number, since it uses as much as digits as its factorization.

338669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 338669 is about 581.9527472227. The cubic root of 338669 is about 69.7041253141.

The spelling of 338669 in words is "three hundred thirty-eight thousand, six hundred sixty-nine".