9720964 has 12 divisors (see below), whose sum is σ = 18558288. Its totient is φ = 4418600.

The previous prime is 9720959. The next prime is 9721013. The reversal of 9720964 is 4690279.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110422 + ... + 110509.

It is an arithmetic number, because the mean of its divisors is an integer number (1546524).

Almost surely, 2^9720964 is an apocalyptic number.

It is an amenable number.

9720964 is a deficient number, since it is larger than the sum of its proper divisors (8837324).

9720964 is a wasteful number, since it uses less digits than its factorization.

9720964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220946 (or 220944 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 9720964 is about 3117.8460513630. The cubic root of 9720964 is about 213.4206532731.

The spelling of 9720964 in words is "nine million, seven hundred twenty thousand, nine hundred sixty-four".