9923668 has 6 divisors (see below), whose sum is σ = 17366426. Its totient is φ = 4961832.

The previous prime is 9923647. The next prime is 9923671. The reversal of 9923668 is 8663299.

9923668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9809424 + 114244 = 3132^2 + 338^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240455 + ... + 1240462.

Almost surely, 2^9923668 is an apocalyptic number.

It is an amenable number.

9923668 is a deficient number, since it is larger than the sum of its proper divisors (7442758).

9923668 is a wasteful number, since it uses less digits than its factorization.

9923668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480921 (or 2480919 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 9923668 is about 3150.1853913698. The cubic root of 9923668 is about 214.8938939208.

The spelling of 9923668 in words is "nine million, nine hundred twenty-three thousand, six hundred sixty-eight".