9969528 has 32 divisors (see below), whose sum is σ = 26236800. Its totient is φ = 3148128.

The previous prime is 9969527. The next prime is 9969529. The reversal of 9969528 is 8259699.

9969528 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 an interprime number because it is at equal distance from previous prime (9969527) and next prime (9969529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9969523) 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, 10476 + ... + 11387.

It is an arithmetic number, because the mean of its divisors is an integer number (819900).

Almost surely, 2^9969528 is an apocalyptic number.

It is an amenable number.

9969528 is an abundant number, since it is smaller than the sum of its proper divisors (16267272).

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

9969528 is a wasteful number, since it uses less digits than its factorization.

9969528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21891 (or 21887 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 9969528 is about 3157.4559379348. The cubic root of 9969528 is about 215.2244132371.

The spelling of 9969528 in words is "nine million, nine hundred sixty-nine thousand, five hundred twenty-eight".