9722656 has 24 divisors (see below), whose sum is σ = 19803420. Its totient is φ = 4693248.

The previous prime is 9722641. The next prime is 9722659. The reversal of 9722656 is 6562279.

It can be written as a sum of positive squares in 2 ways, for example, as 9511056 + 211600 = 3084^2 + 460^2 .

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (9722659) 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, 4311 + ... + 6166.

Almost surely, 2^9722656 is an apocalyptic number.

It is an amenable number.

9722656 is an abundant number, since it is smaller than the sum of its proper divisors (10080764).

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

9722656 is a wasteful number, since it uses less digits than its factorization.

9722656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10516 (or 10508 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 9722656 is about 3118.1173807283. The cubic root of 9722656 is about 213.4330349942.

The spelling of 9722656 in words is "nine million, seven hundred twenty-two thousand, six hundred fifty-six".