8820128 has 24 divisors (see below), whose sum is σ = 17542980. Its totient is φ = 4364800.

The previous prime is 8820121. The next prime is 8820137. The reversal of 8820128 is 8210288.

It can be written as a sum of positive squares in 2 ways, for example, as 6091024 + 2729104 = 2468^2 + 1652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8820128.

It is not an unprimeable number, because it can be changed into a prime (8820121) 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, 1868 + ... + 4596.

Almost surely, 2^8820128 is an apocalyptic number.

It is an amenable number.

8820128 is a deficient number, since it is larger than the sum of its proper divisors (8722852).

8820128 is a wasteful number, since it uses less digits than its factorization.

8820128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 8820128 is about 2969.8700308263. The cubic root of 8820128 is about 206.6133103096.

The spelling of 8820128 in words is "eight million, eight hundred twenty thousand, one hundred twenty-eight".