9872896 has 40 divisors (see below), whose sum is σ = 21532104. Its totient is φ = 4485120.

The previous prime is 9872887. The next prime is 9872899. The reversal of 9872896 is 6982789.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9872899) 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, 4756 + ... + 6508.

Almost surely, 2^9872896 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 9872896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10766052).

9872896 is an abundant number, since it is smaller than the sum of its proper divisors (11659208).

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

9872896 is a wasteful number, since it uses less digits than its factorization.

9872896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1766 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 9872896 is about 3142.1164841552. The cubic root of 9872896 is about 214.5267832593.

It can be divided in two parts, 987 and 2896, that added together give a palindrome (3883).

The spelling of 9872896 in words is "nine million, eight hundred seventy-two thousand, eight hundred ninety-six".