8263992 has 64 divisors (see below), whose sum is σ = 23535360. Its totient is φ = 2393600.

The previous prime is 8263979. The next prime is 8264027. The reversal of 8263992 is 2993628.

8263992 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 8263992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5392 + ... + 6752.

It is an arithmetic number, because the mean of its divisors is an integer number (367740).

Almost surely, 2^8263992 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 8263992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11767680).

8263992 is an abundant number, since it is smaller than the sum of its proper divisors (15271368).

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

8263992 is a wasteful number, since it uses less digits than its factorization.

8263992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1400 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 8263992 is about 2874.7159859715. The cubic root of 8263992 is about 202.1761688971.

The spelling of 8263992 in words is "eight million, two hundred sixty-three thousand, nine hundred ninety-two".