9896656 has 80 divisors (see below), whose sum is σ = 24819840. Its totient is φ = 3709440.

The previous prime is 9896641. The next prime is 9896659. The reversal of 9896656 is 6566989.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9896659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35590 + ... + 35866.

It is an arithmetic number, because the mean of its divisors is an integer number (310248).

Almost surely, 2^9896656 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 9896656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12409920).

9896656 is an abundant number, since it is smaller than the sum of its proper divisors (14923184).

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

9896656 is a wasteful number, since it uses less digits than its factorization.

9896656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 326 counting only the distinct ones).

The product of its digits is 699840, while the sum is 49.

The square root of 9896656 is about 3145.8951031463. The cubic root of 9896656 is about 214.6987379694.

The spelling of 9896656 in words is "nine million, eight hundred ninety-six thousand, six hundred fifty-six".