668333 has 4 divisors (see below), whose sum is σ = 670908. Its totient is φ = 665760.

The previous prime is 668303. The next prime is 668347. The reversal of 668333 is 333866.

668333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 537289 + 131044 = 733^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 668333 - 2¹⁰ = 667309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 668296 and 668305.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 668333.

It is not an unprimeable number, because it can be changed into a prime (668303) 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, 848 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (167727).

2⁶⁶⁸³³³ is an apocalyptic number.

It is an amenable number.

668333 is a deficient number, since it is larger than the sum of its proper divisors (2575).

668333 is a wasteful number, since it uses less digits than its factorization.

668333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574.

The product of its digits is 7776, while the sum is 29.

The square root of 668333 is about 817.5163606926. The cubic root of 668333 is about 87.4307697290.

It can be divided in two parts, 668 and 333, that added together give a palindrome (1001).

The spelling of 668333 in words is "six hundred sixty-eight thousand, three hundred thirty-three".