8809960 has 32 divisors (see below), whose sum is σ = 19922760. Its totient is φ = 3506176.

The previous prime is 8809949. The next prime is 8809967. The reversal of 8809960 is 699088.

It is a happy number.

8809960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8678916 + 131044 = 2946^2 + 362^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (8809967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9852 + ... + 10708.

Almost surely, 2^8809960 is an apocalyptic number.

8809960 is the 1714-th octagonal number.

It is an amenable number.

8809960 is an abundant number, since it is smaller than the sum of its proper divisors (11112800).

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

8809960 is a wasteful number, since it uses less digits than its factorization.

8809960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 8809960 is about 2968.1576777523. The cubic root of 8809960 is about 206.5338839508.

The spelling of 8809960 in words is "eight million, eight hundred nine thousand, nine hundred sixty".