668326 has 8 divisors (see below), whose sum is σ = 1009584. Its totient is φ = 331800.

The previous prime is 668303. The next prime is 668347. The reversal of 668326 is 623866.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (126198).

2⁶⁶⁸³²⁶ is an apocalyptic number.

668326 is a deficient number, since it is larger than the sum of its proper divisors (341258).

668326 is a wasteful number, since it uses less digits than its factorization.

668326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its digits is 10368, while the sum is 31.

The square root of 668326 is about 817.5120794215. The cubic root of 668326 is about 87.4304644832.

The spelling of 668326 in words is "six hundred sixty-eight thousand, three hundred twenty-six".