968669 has 8 divisors (see below), whose sum is σ = 1050840. Its totient is φ = 887616.

The previous prime is 968663. The next prime is 968689. The reversal of 968669 is 966869.

It can be written as a sum of positive squares in 4 ways, for example, as 56644 + 912025 = 238^2 + 955^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968669 is a prime.

It is a super-2 number, since 2×968669² = 1876639263122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968663) 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, 3359 + ... + 3635.

It is an arithmetic number, because the mean of its divisors is an integer number (131355).

2⁹⁶⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

968669 is a deficient number, since it is larger than the sum of its proper divisors (82171).

968669 is a wasteful number, since it uses less digits than its factorization.

968669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 139968, while the sum is 44.

The square root of 968669 is about 984.2098353502. The cubic root of 968669 is about 98.9445324084.

The spelling of 968669 in words is "nine hundred sixty-eight thousand, six hundred sixty-nine".