8921792 has 112 divisors (see below), whose sum is σ = 21945600. Its totient is φ = 3548160.

The previous prime is 8921791. The next prime is 8921833. The reversal of 8921792 is 2971298.

It is a Harshad number since it is a multiple of its sum of digits (38).

Its product of digits (18144) is a multiple of the sum of its prime divisors (84).

It is not an unprimeable number, because it can be changed into a prime (8921791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307634 + ... + 307662.

Almost surely, 2^8921792 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 8921792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10972800).

8921792 is an abundant number, since it is smaller than the sum of its proper divisors (13023808).

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

8921792 is a wasteful number, since it uses less digits than its factorization.

8921792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 84 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 8921792 is about 2986.9368925372. The cubic root of 8921792 is about 207.4041130492.

The spelling of 8921792 in words is "eight million, nine hundred twenty-one thousand, seven hundred ninety-two".