9709648 has 20 divisors (see below), whose sum is σ = 20259988. Its totient is φ = 4481280.

The previous prime is 9709639. The next prime is 9709663. The reversal of 9709648 is 8469079.

It can be written as a sum of positive squares in 2 ways, for example, as 6512704 + 3196944 = 2552^2 + 1788^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 23133 + ... + 23548.

Almost surely, 2^9709648 is an apocalyptic number.

It is an amenable number.

9709648 is an abundant number, since it is smaller than the sum of its proper divisors (10550340).

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

9709648 is a wasteful number, since it uses less digits than its factorization.

9709648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46702 (or 46696 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9709648 is about 3116.0308085768. The cubic root of 9709648 is about 213.3378080659.

The spelling of 9709648 in words is "nine million, seven hundred nine thousand, six hundred forty-eight".