2028828 has 12 divisors (see below), whose sum is σ = 4733960. Its totient is φ = 676272.

The previous prime is 2028809. The next prime is 2028841. The reversal of 2028828 is 8288202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2028828² = 8232286107168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2028795 and 2028804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84523 + ... + 84546.

2^2028828 is an apocalyptic number.

It is an amenable number.

2028828 is an abundant number, since it is smaller than the sum of its proper divisors (2705132).

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

2028828 is a wasteful number, since it uses less digits than its factorization.

2028828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169076 (or 169074 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 2028828 is about 1424.3693341265. The cubic root of 2028828 is about 126.5945696205.

The spelling of 2028828 in words is "two million, twenty-eight thousand, eight hundred twenty-eight".