8719992 has 48 divisors (see below), whose sum is σ = 23755680. Its totient is φ = 2889600.

The previous prime is 8719987. The next prime is 8719999. The reversal of 8719992 is 2999178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8719999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20017 + ... + 20447.

It is an arithmetic number, because the mean of its divisors is an integer number (494910).

Almost surely, 2^8719992 is an apocalyptic number.

It is an amenable number.

8719992 is an abundant number, since it is smaller than the sum of its proper divisors (15035688).

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

8719992 is a wasteful number, since it uses less digits than its factorization.

8719992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 717 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 8719992 is about 2952.9632574754. The cubic root of 8719992 is about 205.8284303698.

The spelling of 8719992 in words is "eight million, seven hundred nineteen thousand, nine hundred ninety-two".