9666489 has 16 divisors (see below), whose sum is σ = 15596928. Its totient is φ = 5198592.

The previous prime is 9666479. The next prime is 9666491. The reversal of 9666489 is 9846669.

It is not a de Polignac number, because 9666489 - 2⁴ = 9666473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9666409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13182 + ... + 13895.

It is an arithmetic number, because the mean of its divisors is an integer number (974808).

Almost surely, 2^9666489 is an apocalyptic number.

It is an amenable number.

9666489 is a deficient number, since it is larger than the sum of its proper divisors (5930439).

9666489 is a wasteful number, since it uses less digits than its factorization.

9666489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27104.

The product of its digits is 559872, while the sum is 48.

The square root of 9666489 is about 3109.0977790993. The cubic root of 9666489 is about 213.0212458695.

The spelling of 9666489 in words is "nine million, six hundred sixty-six thousand, four hundred eighty-nine".