3028128 has 24 divisors (see below), whose sum is σ = 7949088. Its totient is φ = 1009344.

The previous prime is 3028121. The next prime is 3028141. The reversal of 3028128 is 8218203.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3028098 and 3028107.

It is not an unprimeable number, because it can be changed into a prime (3028121) 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, 15676 + ... + 15867.

It is an arithmetic number, because the mean of its divisors is an integer number (331212).

Almost surely, 2^3028128 is an apocalyptic number.

It is an amenable number.

3028128 is an abundant number, since it is smaller than the sum of its proper divisors (4920960).

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

3028128 is a wasteful number, since it uses less digits than its factorization.

3028128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31556 (or 31548 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 3028128 is about 1740.1517175235. The cubic root of 3028128 is about 144.6743066416.

The spelling of 3028128 in words is "three million, twenty-eight thousand, one hundred twenty-eight".