8809120 has 24 divisors (see below), whose sum is σ = 20811924. Its totient is φ = 3523584.

The previous prime is 8809117. The next prime is 8809121. The reversal of 8809120 is 219088.

It can be written as a sum of positive squares in 2 ways, for example, as 8225424 + 583696 = 2868^2 + 764^2 .

It is not an unprimeable number, because it can be changed into a prime (8809121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27369 + ... + 27688.

Almost surely, 2^8809120 is an apocalyptic number.

8809120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8809120 is an abundant number, since it is smaller than the sum of its proper divisors (12002804).

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

8809120 is a wasteful number, since it uses less digits than its factorization.

8809120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55072 (or 55064 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 8809120 is about 2968.0161724627. The cubic root of 8809120 is about 206.5273196388.

It can be divided in two parts, 880 and 9120, that added together give a 4-th power (10000 = 10⁴).

The spelling of 8809120 in words is "eight million, eight hundred nine thousand, one hundred twenty".