338668 has 24 divisors (see below), whose sum is σ = 665280. Its totient is φ = 149520.

The previous prime is 338659. The next prime is 338669. The reversal of 338668 is 866833.

It is a super-2 number, since 2×338668² = 229392028448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2³³⁸⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

338668 is a deficient number, since it is larger than the sum of its proper divisors (326612).

338668 is a wasteful number, since it uses less digits than its factorization.

338668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 235 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 338668 is about 581.9518880457. The cubic root of 338668 is about 69.7040567081.

The spelling of 338668 in words is "three hundred thirty-eight thousand, six hundred sixty-eight".