9664536 has 32 divisors (see below), whose sum is σ = 27613440. Its totient is φ = 2761248.

The previous prime is 9664519. The next prime is 9664537. The reversal of 9664536 is 6354669.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9664494 and 9664503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28596 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (862920).

Almost surely, 2^9664536 is an apocalyptic number.

It is an amenable number.

9664536 is an abundant number, since it is smaller than the sum of its proper divisors (17948904).

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

9664536 is a wasteful number, since it uses less digits than its factorization.

9664536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57543 (or 57539 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 9664536 is about 3108.7836849803. The cubic root of 9664536 is about 213.0068987604.

The spelling of 9664536 in words is "nine million, six hundred sixty-four thousand, five hundred thirty-six".