9969564 has 24 divisors (see below), whose sum is σ = 25377408. Its totient is φ = 3021040.

The previous prime is 9969559. The next prime is 9969571. The reversal of 9969564 is 4659699.

It is a happy number.

9969564 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37632 + ... + 37895.

It is an arithmetic number, because the mean of its divisors is an integer number (1057392).

Almost surely, 2^9969564 is an apocalyptic number.

It is an amenable number.

9969564 is an abundant number, since it is smaller than the sum of its proper divisors (15407844).

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

9969564 is a wasteful number, since it uses less digits than its factorization.

9969564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75545 (or 75543 counting only the distinct ones).

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

The square root of 9969564 is about 3157.4616387218. The cubic root of 9969564 is about 215.2246722955.

The spelling of 9969564 in words is "nine million, nine hundred sixty-nine thousand, five hundred sixty-four".