2856028 has 12 divisors (see below), whose sum is σ = 5712112. Its totient is φ = 1224000.

The previous prime is 2856001. The next prime is 2856037. The reversal of 2856028 is 8206582.

2856028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2856028 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50973 + ... + 51028.

2^2856028 is an apocalyptic number.

2856028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2856028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2856028 is a wasteful number, since it uses less digits than its factorization.

2856028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102012 (or 102010 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2856028 is about 1689.9786980906. The cubic root of 2856028 is about 141.8798825517.

The spelling of 2856028 in words is "two million, eight hundred fifty-six thousand, twenty-eight".