9939564 has 24 divisors (see below), whose sum is σ = 25769520. Its totient is φ = 3313152.

The previous prime is 9939557. The next prime is 9939571. The reversal of 9939564 is 4659399.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9939557) and next prime (9939571).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45909 + ... + 46124.

It is an arithmetic number, because the mean of its divisors is an integer number (1073730).

Almost surely, 2^9939564 is an apocalyptic number.

It is an amenable number.

9939564 is an abundant number, since it is smaller than the sum of its proper divisors (15829956).

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

9939564 is a wasteful number, since it uses less digits than its factorization.

9939564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92046 (or 92038 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 9939564 is about 3152.7074079274. The cubic root of 9939564 is about 215.0085736621.

The spelling of 9939564 in words is "nine million, nine hundred thirty-nine thousand, five hundred sixty-four".