9721096 has 64 divisors (see below), whose sum is σ = 23316480. Its totient is φ = 3689280.

The previous prime is 9721091. The next prime is 9721123. The reversal of 9721096 is 6901279.

9721096 = 79² + 80² + ... + 309².

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9721091) 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, 26305 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (364320).

Almost surely, 2^9721096 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 9721096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11658240).

9721096 is an abundant number, since it is smaller than the sum of its proper divisors (13595384).

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

9721096 is a wasteful number, since it uses less digits than its factorization.

9721096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 9721096 is about 3117.8672197513. The cubic root of 9721096 is about 213.4216192746.

The spelling of 9721096 in words is "nine million, seven hundred twenty-one thousand, ninety-six".