9894528 has 128 divisors (see below), whose sum is σ = 33456000. Its totient is φ = 2820096.

The previous prime is 9894523. The next prime is 9894541. The reversal of 9894528 is 8254989.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (9894523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23988 + ... + 24396.

It is an arithmetic number, because the mean of its divisors is an integer number (261375).

Almost surely, 2^9894528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9894528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16728000).

9894528 is an abundant number, since it is smaller than the sum of its proper divisors (23561472).

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

9894528 is a wasteful number, since it uses less digits than its factorization.

9894528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 421 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9894528 is about 3145.5568664388. The cubic root of 9894528 is about 214.6833485401.

The spelling of 9894528 in words is "nine million, eight hundred ninety-four thousand, five hundred twenty-eight".