9802656 has 72 divisors (see below), whose sum is σ = 28235844. Its totient is φ = 3225600.

The previous prime is 9802633. The next prime is 9802691. The reversal of 9802656 is 6562089.

It can be written as a sum of positive squares in 2 ways, for example, as 9511056 + 291600 = 3084^2 + 540^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 9802656.

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, 28920 + ... + 29256.

Almost surely, 2^9802656 is an apocalyptic number.

9802656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9802656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14117922).

9802656 is an abundant number, since it is smaller than the sum of its proper divisors (18433188).

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

9802656 is a wasteful number, since it uses less digits than its factorization.

9802656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 9802656 is about 3130.9193538001. The cubic root of 9802656 is about 214.0168269297.

The spelling of 9802656 in words is "nine million, eight hundred two thousand, six hundred fifty-six".