9720448 has 16 divisors (see below), whose sum is σ = 19365210. Its totient is φ = 4860160.

The previous prime is 9720443. The next prime is 9720449. The reversal of 9720448 is 8440279.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6594624 + 3125824 = 2568^2 + 1768^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (9720443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37843 + ... + 38098.

Almost surely, 2^9720448 is an apocalyptic number.

It is an amenable number.

9720448 is a deficient number, since it is larger than the sum of its proper divisors (9644762).

9720448 is an equidigital number, since it uses as much as digits as its factorization.

9720448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75955 (or 75943 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 9720448 is about 3117.7633008296. The cubic root of 9720448 is about 213.4168770013.

The spelling of 9720448 in words is "nine million, seven hundred twenty thousand, four hundred forty-eight".