968666 has 8 divisors (see below), whose sum is σ = 1488564. Its totient is φ = 472480.

The previous prime is 968663. The next prime is 968689. The reversal of 968666 is 666869.

It can be written as a sum of positive squares in 2 ways, for example, as 863041 + 105625 = 929^2 + 325^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (968663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5825 + ... + 5988.

2⁹⁶⁸⁶⁶⁶ is an apocalyptic number.

968666 is a deficient number, since it is larger than the sum of its proper divisors (519898).

968666 is a wasteful number, since it uses less digits than its factorization.

968666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11856.

The product of its digits is 93312, while the sum is 41.

The square root of 968666 is about 984.2083112837. The cubic root of 968666 is about 98.9444302635.

The spelling of 968666 in words is "nine hundred sixty-eight thousand, six hundred sixty-six".