9881472 has 32 divisors (see below), whose sum is σ = 26248680. Its totient is φ = 3293696.

The previous prime is 9881453. The next prime is 9881477. The reversal of 9881472 is 2741889.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 9881472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9881477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12483 + ... + 13250.

Almost surely, 2^9881472 is an apocalyptic number.

It is an amenable number.

9881472 is an abundant number, since it is smaller than the sum of its proper divisors (16367208).

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

9881472 is a wasteful number, since it uses less digits than its factorization.

9881472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25750 (or 25738 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 9881472 is about 3143.4808731723. The cubic root of 9881472 is about 214.5888808528.

The spelling of 9881472 in words is "nine million, eight hundred eighty-one thousand, four hundred seventy-two".