8231392 has 48 divisors (see below), whose sum is σ = 17865792. Its totient is φ = 3709440.

The previous prime is 8231387. The next prime is 8231393. The reversal of 8231392 is 2931328.

It is a self number, because there is not a number n which added to its sum of digits gives 8231392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19342 + ... + 19762.

It is an arithmetic number, because the mean of its divisors is an integer number (372204).

Almost surely, 2^8231392 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 8231392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8932896).

8231392 is an abundant number, since it is smaller than the sum of its proper divisors (9634400).

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

8231392 is a wasteful number, since it uses less digits than its factorization.

8231392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 483 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 8231392 is about 2869.0402576471. The cubic root of 8231392 is about 201.9099687017.

The spelling of 8231392 in words is "eight million, two hundred thirty-one thousand, three hundred ninety-two".