8971392 has 64 divisors (see below), whose sum is σ = 24284160. Its totient is φ = 2933760.

The previous prime is 8971381. The next prime is 8971397. The reversal of 8971392 is 2931798.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 8971392.

It is not an unprimeable number, because it can be changed into a prime (8971397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23233 + ... + 23615.

It is an arithmetic number, because the mean of its divisors is an integer number (379440).

Almost surely, 2^8971392 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 8971392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12142080).

8971392 is an abundant number, since it is smaller than the sum of its proper divisors (15312768).

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

8971392 is a wasteful number, since it uses less digits than its factorization.

8971392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 449 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 8971392 is about 2995.2282049954. The cubic root of 8971392 is about 207.7877519326.

The spelling of 8971392 in words is "eight million, nine hundred seventy-one thousand, three hundred ninety-two".