9881792 has 28 divisors (see below), whose sum is σ = 19949160. Its totient is φ = 4855296.

The previous prime is 9881749. The next prime is 9881803. The reversal of 9881792 is 2971889.

Its product of digits (72576) is a multiple of the sum of its prime factors (2688).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468 + ... + 5084.

It is an arithmetic number, because the mean of its divisors is an integer number (712470).

Almost surely, 2^9881792 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 9881792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9974580).

9881792 is an abundant number, since it is smaller than the sum of its proper divisors (10067368).

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

9881792 is a wasteful number, since it uses less digits than its factorization.

9881792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2678 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The square root of 9881792 is about 3143.5317717497. The cubic root of 9881792 is about 214.5911972317.

Subtracting from 9881792 its reverse (2971889), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 9881792 in words is "nine million, eight hundred eighty-one thousand, seven hundred ninety-two".