9720353 has 2 divisors, whose sum is σ = 9720354. Its totient is φ = 9720352.

The previous prime is 9720317. The next prime is 9720371. The reversal of 9720353 is 3530279.

9720353 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 29584 = 3113^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 9720353 - 2⁸ = 9720097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9720383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4860176 + 4860177.

It is an arithmetic number, because the mean of its divisors is an integer number (4860177).

Almost surely, 2^9720353 is an apocalyptic number.

It is an amenable number.

9720353 is a deficient number, since it is larger than the sum of its proper divisors (1).

9720353 is an equidigital number, since it uses as much as digits as its factorization.

9720353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 9720353 is about 3117.7480655114. The cubic root of 9720353 is about 213.4161817429.

The spelling of 9720353 in words is "nine million, seven hundred twenty thousand, three hundred fifty-three".