9721296 has 100 divisors (see below), whose sum is σ = 30353092. Its totient is φ = 2985984.

The previous prime is 9721273. The next prime is 9721301. The reversal of 9721296 is 6921279.

It can be written as a sum of positive squares in 2 ways, for example, as 6350400 + 3370896 = 2520^2 + 1836^2 .

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

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 9721296.

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, 16560 + ... + 17136.

Almost surely, 2^9721296 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 9721296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15176546).

9721296 is an abundant number, since it is smaller than the sum of its proper divisors (20631796).

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

9721296 is a wasteful number, since it uses less digits than its factorization.

9721296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 595 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 9721296 is about 3117.8992927931. The cubic root of 9721296 is about 213.4230828967.

It can be divided in two parts, 972 and 1296, that multiplied together give a cube (1259712 = 108³).

The spelling of 9721296 in words is "nine million, seven hundred twenty-one thousand, two hundred ninety-six".