2028900 has 36 divisors (see below), whose sum is σ = 5871152. Its totient is φ = 540960.

The previous prime is 2028881. The next prime is 2028907. The reversal of 2028900 is 98202.

It is not an unprimeable number, because it can be changed into a prime (2028907) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3082 + ... + 3681.

2^2028900 is an apocalyptic number.

2028900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2028900 is an abundant number, since it is smaller than the sum of its proper divisors (3842252).

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

2028900 is a wasteful number, since it uses less digits than its factorization.

2028900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 6773 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2028900 is about 1424.3946082459. The cubic root of 2028900 is about 126.5960671519.

It can be divided in two parts, 20 and 28900, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 2028900 in words is "two million, twenty-eight thousand, nine hundred".