9668645 has 8 divisors (see below), whose sum is σ = 13259904. Its totient is φ = 6629904.

The previous prime is 9668639. The next prime is 9668647. The reversal of 9668645 is 5468669.

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 9668645 - 2²⁰ = 8620069 is a prime.

It is a super-2 number, since 2×9668645² = 186965392272050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9668596 and 9668605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9668647) 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, 138089 + ... + 138158.

It is an arithmetic number, because the mean of its divisors is an integer number (1657488).

Almost surely, 2^9668645 is an apocalyptic number.

It is an amenable number.

9668645 is a deficient number, since it is larger than the sum of its proper divisors (3591259).

9668645 is a wasteful number, since it uses less digits than its factorization.

9668645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276259.

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

The square root of 9668645 is about 3109.4444841483. Note that the first 4 decimals coincide. The cubic root of 9668645 is about 213.0370820110.

The spelling of 9668645 in words is "nine million, six hundred sixty-eight thousand, six hundred forty-five".