9659964 has 12 divisors (see below), whose sum is σ = 22539944. Its totient is φ = 3219984.

The previous prime is 9659963. The next prime is 9659981. The reversal of 9659964 is 4699569.

It is a happy number.

9659964 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9659963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402487 + ... + 402510.

Almost surely, 2^9659964 is an apocalyptic number.

It is an amenable number.

9659964 is an abundant number, since it is smaller than the sum of its proper divisors (12879980).

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

9659964 is a wasteful number, since it uses less digits than its factorization.

9659964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805004 (or 805002 counting only the distinct ones).

The product of its digits is 524880, while the sum is 48.

The square root of 9659964 is about 3108.0482621735. The cubic root of 9659964 is about 212.9733044196.

The spelling of 9659964 in words is "nine million, six hundred fifty-nine thousand, nine hundred sixty-four".