9891376 has 40 divisors (see below), whose sum is σ = 21409344. Its totient is φ = 4388160.

The previous prime is 9891367. The next prime is 9891377. The reversal of 9891376 is 6731989.

9891376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (9891377) 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, 6915 + ... + 8221.

Almost surely, 2^9891376 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 9891376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10704672).

9891376 is an abundant number, since it is smaller than the sum of its proper divisors (11517968).

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

9891376 is a wasteful number, since it uses less digits than its factorization.

9891376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1363 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 9891376 is about 3145.0558023666. The cubic root of 9891376 is about 214.6605496159.

9891376 divided by its sum of digits (43) gives a palindrome (230032).

It can be divided in two parts, 98913 and 76, that added together give a palindrome (98989).

The spelling of 9891376 in words is "nine million, eight hundred ninety-one thousand, three hundred seventy-six".