10128928 has 24 divisors (see below), whose sum is σ = 20272140. Its totient is φ = 4980480.

The previous prime is 10128913. The next prime is 10128949. The reversal of 10128928 is 82982101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9909904 + 219024 = 3148^2 + 468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10128928.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643 + ... + 4546.

Almost surely, 2^10128928 is an apocalyptic number.

It is an amenable number.

10128928 is an abundant number, since it is smaller than the sum of its proper divisors (10143212).

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

10128928 is an equidigital number, since it uses as much as digits as its factorization.

10128928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260 (or 5252 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 10128928 is about 3182.5976811404. The cubic root of 10128928 is about 216.3654080097.

The spelling of 10128928 in words is "ten million, one hundred twenty-eight thousand, nine hundred twenty-eight".