9988684 has 12 divisors (see below), whose sum is σ = 17502408. Its totient is φ = 4988000.

The previous prime is 9988633. The next prime is 9988687. The reversal of 9988684 is 4868899.

It is not an unprimeable number, because it can be changed into a prime (9988687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4944 + ... + 6664.

It is an arithmetic number, because the mean of its divisors is an integer number (1458534).

Almost surely, 2^9988684 is an apocalyptic number.

It is an amenable number.

9988684 is a deficient number, since it is larger than the sum of its proper divisors (7513724).

9988684 is a wasteful number, since it uses less digits than its factorization.

9988684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176 (or 3174 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 9988684 is about 3160.4879370123. The cubic root of 9988684 is about 215.3621730541.

The spelling of 9988684 in words is "nine million, nine hundred eighty-eight thousand, six hundred eighty-four".