9686988 has 36 divisors (see below), whose sum is σ = 25087608. Its totient is φ = 3149760.

The previous prime is 9686977. The next prime is 9687001. The reversal of 9686988 is 8896869.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1806 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (696878).

Almost surely, 2^9686988 is an apocalyptic number.

It is an amenable number.

9686988 is an abundant number, since it is smaller than the sum of its proper divisors (15400620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9686988 is a wasteful number, since it uses less digits than its factorization.

9686988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614 (or 6609 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 9686988 is about 3112.3926487511. The cubic root of 9686988 is about 213.1717189600.

The spelling of 9686988 in words is "nine million, six hundred eighty-six thousand, nine hundred eighty-eight".