506668 has 12 divisors (see below), whose sum is σ = 938952. Its totient is φ = 238400.

The previous prime is 506663. The next prime is 506683. The reversal of 506668 is 866605.

506668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (506663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (78246).

2⁵⁰⁶⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

506668 is a deficient number, since it is larger than the sum of its proper divisors (432284).

506668 is a wasteful number, since it uses less digits than its factorization.

506668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7472 (or 7470 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 506668 is about 711.8061533873. The cubic root of 506668 is about 79.7213220262.

The spelling of 506668 in words is "five hundred six thousand, six hundred sixty-eight".