9645668 has 12 divisors (see below), whose sum is σ = 16904832. Its totient is φ = 4815720.

The previous prime is 9645667. The next prime is 9645677. The reversal of 9645668 is 8665469.

It is a super-2 number, since 2×9645668² = 186077822332448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9645667) by changing a digit.

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, 2321 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (1408736).

Almost surely, 2^9645668 is an apocalyptic number.

It is an amenable number.

9645668 is a deficient number, since it is larger than the sum of its proper divisors (7259164).

9645668 is a wasteful number, since it uses less digits than its factorization.

9645668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3560 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 9645668 is about 3105.7475750614. The cubic root of 9645668 is about 212.8681912068.

The spelling of 9645668 in words is "nine million, six hundred forty-five thousand, six hundred sixty-eight".