9721276 has 12 divisors (see below), whose sum is σ = 17038672. Its totient is φ = 4853088.

The previous prime is 9721273. The next prime is 9721301. The reversal of 9721276 is 6721279.

9721276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9721273) 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, 1816 + ... + 4768.

Almost surely, 2^9721276 is an apocalyptic number.

It is an amenable number.

9721276 is a deficient number, since it is larger than the sum of its proper divisors (7317396).

9721276 is a wasteful number, since it uses less digits than its factorization.

9721276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780 (or 3778 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 9721276 is about 3117.8960855038. The cubic root of 9721276 is about 213.4229365354.

The spelling of 9721276 in words is "nine million, seven hundred twenty-one thousand, two hundred seventy-six".