9666961 has 8 divisors (see below), whose sum is σ = 9884480. Its totient is φ = 9451728.

The previous prime is 9666941. The next prime is 9666989. The reversal of 9666961 is 1696669.

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

It is a cyclic number.

It is not a de Polignac number, because 9666961 - 2⁵ = 9666929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9666901) 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, 10060 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (1235560).

Almost surely, 2^9666961 is an apocalyptic number.

It is an amenable number.

9666961 is a deficient number, since it is larger than the sum of its proper divisors (217519).

9666961 is a wasteful number, since it uses less digits than its factorization.

9666961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its digits is 104976, while the sum is 43.

The square root of 9666961 is about 3109.1736844377. The cubic root of 9666961 is about 213.0247129812.

The spelling of 9666961 in words is "nine million, six hundred sixty-six thousand, nine hundred sixty-one".