9889976 has 16 divisors (see below), whose sum is σ = 18687240. Its totient is φ = 4906720.

The previous prime is 9889969. The next prime is 9889981. The reversal of 9889976 is 6799889.

9889976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3671 + ... + 5766.

Almost surely, 2^9889976 is an apocalyptic number.

It is an amenable number.

9889976 is a deficient number, since it is larger than the sum of its proper divisors (8797264).

9889976 is a wasteful number, since it uses less digits than its factorization.

9889976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574 (or 9570 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 56.

The square root of 9889976 is about 3144.8332229230. The cubic root of 9889976 is about 214.6504216367.

The spelling of 9889976 in words is "nine million, eight hundred eighty-nine thousand, nine hundred seventy-six".