8606720 has 66 divisors (see below), whose sum is σ = 21161886. Its totient is φ = 3358720.

The previous prime is 8606693. The next prime is 8606729. The reversal of 8606720 is 276068.

It can be written as a sum of positive squares in 3 ways, for example, as 495616 + 8111104 = 704^2 + 2848^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8606729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209900 + ... + 209940.

Almost surely, 2^8606720 is an apocalyptic number.

8606720 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 8606720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10580943).

8606720 is an abundant number, since it is smaller than the sum of its proper divisors (12555166).

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

8606720 is an equidigital number, since it uses as much as digits as its factorization.

8606720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 8606720 is about 2933.7211864797. The cubic root of 8606720 is about 204.9333116414.

The spelling of 8606720 in words is "eight million, six hundred six thousand, seven hundred twenty".