969666 has 8 divisors (see below), whose sum is σ = 1939344. Its totient is φ = 323220.

The previous prime is 969641. The next prime is 969667. The reversal of 969666 is 666969.

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

969666 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 969666.

It is not an unprimeable number, because it can be changed into a prime (969667) by changing a digit.

969666 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80800 + ... + 80811.

It is an arithmetic number, because the mean of its divisors is an integer number (242418).

2⁹⁶⁹⁶⁶⁶ is an apocalyptic number.

969666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

969666 is a wasteful number, since it uses less digits than its factorization.

969666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161616.

The product of its digits is 104976, while the sum is 42.

The square root of 969666 is about 984.7162027711. The cubic root of 969666 is about 98.9784669013.

It can be divided in two parts, 9696 and 66, that multiplied together give a palindrome (639936).

The spelling of 969666 in words is "nine hundred sixty-nine thousand, six hundred sixty-six".