8943680 has 56 divisors (see below), whose sum is σ = 22433280. Its totient is φ = 3386880.

The previous prime is 8943679. The next prime is 8943689. The reversal of 8943680 is 863498.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (8943689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5345 + ... + 6815.

Almost surely, 2^8943680 is an apocalyptic number.

8943680 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 8943680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11216640).

8943680 is an abundant number, since it is smaller than the sum of its proper divisors (13489600).

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

8943680 is a wasteful number, since it uses less digits than its factorization.

8943680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8943680 is about 2990.5986022868. The cubic root of 8943680 is about 207.5735840055.

The spelling of 8943680 in words is "eight million, nine hundred forty-three thousand, six hundred eighty".