668883 has 8 divisors (see below), whose sum is σ = 907200. Its totient is φ = 438248.

The previous prime is 668879. The next prime is 668903. The reversal of 668883 is 388866.

668883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 668883 - 2² = 668879 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 668883.

It is not an unprimeable number, because it can be changed into a prime (668803) 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, 1713 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2⁶⁶⁸⁸⁸³ is an apocalyptic number.

668883 is a deficient number, since it is larger than the sum of its proper divisors (238317).

668883 is a wasteful number, since it uses less digits than its factorization.

668883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841.

The product of its digits is 55296, while the sum is 39.

The square root of 668883 is about 817.8526762199. The cubic root of 668883 is about 87.4547466679.

It can be divided in two parts, 668 and 883, that added together give a palindrome (1551).

The spelling of 668883 in words is "six hundred sixty-eight thousand, eight hundred eighty-three".