8801720 has 32 divisors (see below), whose sum is σ = 19897920. Its totient is φ = 3504000.

The previous prime is 8801717. The next prime is 8801729. The reversal of 8801720 is 271088.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8801720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8801729) 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, 11345 + ... + 12095.

It is an arithmetic number, because the mean of its divisors is an integer number (621810).

Almost surely, 2^8801720 is an apocalyptic number.

It is an amenable number.

8801720 is an abundant number, since it is smaller than the sum of its proper divisors (11096200).

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

8801720 is a wasteful number, since it uses less digits than its factorization.

8801720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 8801720 is about 2966.7692866147. The cubic root of 8801720 is about 206.4694731377.

The spelling of 8801720 in words is "eight million, eight hundred one thousand, seven hundred twenty".