8961688 has 8 divisors (see below), whose sum is σ = 16803180. Its totient is φ = 4480840.

The previous prime is 8961679. The next prime is 8961707. The reversal of 8961688 is 8861698.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 560098 + ... + 560113.

Almost surely, 2^8961688 is an apocalyptic number.

It is an amenable number.

8961688 is a deficient number, since it is larger than the sum of its proper divisors (7841492).

8961688 is a wasteful number, since it uses less digits than its factorization.

8961688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120217 (or 1120213 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 8961688 is about 2993.6078567508. The cubic root of 8961688 is about 207.7128063057.

The spelling of 8961688 in words is "eight million, nine hundred sixty-one thousand, six hundred eighty-eight".