8223680 has 56 divisors (see below), whose sum is σ = 20238720. Its totient is φ = 3179520.

The previous prime is 8223679. The next prime is 8223701. The reversal of 8223680 is 863228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9506 + ... + 10334.

Almost surely, 2^8223680 is an apocalyptic number.

8223680 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 8223680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10119360).

8223680 is an abundant number, since it is smaller than the sum of its proper divisors (12015040).

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

8223680 is a wasteful number, since it uses less digits than its factorization.

8223680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8223680 is about 2867.6959392516. The cubic root of 8223680 is about 201.8468924434.

The spelling of 8223680 in words is "eight million, two hundred twenty-three thousand, six hundred eighty".