9928656 has 100 divisors (see below), whose sum is σ = 29527872. Its totient is φ = 3219264.

The previous prime is 9928619. The next prime is 9928661. The reversal of 9928656 is 6568299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60831 + ... + 60993.

Almost surely, 2^9928656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9928656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14763936).

9928656 is an abundant number, since it is smaller than the sum of its proper divisors (19599216).

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

9928656 is a wasteful number, since it uses less digits than its factorization.

9928656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 215 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 9928656 is about 3150.9769913473. The cubic root of 9928656 is about 214.9298924112.

The spelling of 9928656 in words is "nine million, nine hundred twenty-eight thousand, six hundred fifty-six".