9664669 has 8 divisors (see below), whose sum is σ = 11525760. Its totient is φ = 7923696.

The previous prime is 9664661. The next prime is 9664679.

9664669 is nontrivially palindromic in base 10.

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 9664669 - 2³ = 9664661 is a prime.

It is a super-2 number, since 2×9664669² = 186811653759122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664661) 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 7 ways as a sum of consecutive naturals, for example, 29854 + ... + 30175.

It is an arithmetic number, because the mean of its divisors is an integer number (1440720).

Almost surely, 2^9664669 is an apocalyptic number.

It is an amenable number.

9664669 is a deficient number, since it is larger than the sum of its proper divisors (1861091).

9664669 is a wasteful number, since it uses less digits than its factorization.

9664669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60059.

The product of its digits is 419904, while the sum is 46.

The square root of 9664669 is about 3108.8050759094. The cubic root of 9664669 is about 213.0078758650.

The spelling of 9664669 in words is "nine million, six hundred sixty-four thousand, six hundred sixty-nine".