9960644 has 6 divisors (see below), whose sum is σ = 17431134. Its totient is φ = 4980320.

The previous prime is 9960619. The next prime is 9960653. The reversal of 9960644 is 4460699.

It can be written as a sum of positive squares in only one way, i.e., 5466244 + 4494400 = 2338^2 + 2120^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9960598 and 9960607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245077 + ... + 1245084.

It is an arithmetic number, because the mean of its divisors is an integer number (2905189).

Almost surely, 2^9960644 is an apocalyptic number.

It is an amenable number.

9960644 is a deficient number, since it is larger than the sum of its proper divisors (7470490).

9960644 is a wasteful number, since it uses less digits than its factorization.

9960644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490165 (or 2490163 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 9960644 is about 3156.0487955670. The cubic root of 9960644 is about 215.1604643079.

Subtracting from 9960644 its reverse (4460699), we obtain a palindrome (5499945).

The spelling of 9960644 in words is "nine million, nine hundred sixty thousand, six hundred forty-four".