8231680 has 72 divisors (see below), whose sum is σ = 20235600. Its totient is φ = 3207168.

The previous prime is 8231659. The next prime is 8231681. The reversal of 8231680 is 861328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75466 + ... + 75574.

It is an arithmetic number, because the mean of its divisors is an integer number (281050).

Almost surely, 2^8231680 is an apocalyptic number.

8231680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8231680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10117800).

8231680 is an abundant number, since it is smaller than the sum of its proper divisors (12003920).

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

8231680 is a wasteful number, since it uses less digits than its factorization.

8231680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 8231680 is about 2869.0904482083. The cubic root of 8231680 is about 201.9123234834.

It can be divided in two parts, 8231 and 680, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 8231680 in words is "eight million, two hundred thirty-one thousand, six hundred eighty".