2028808 has 8 divisors (see below), whose sum is σ = 3804030. Its totient is φ = 1014400.

The previous prime is 2028781. The next prime is 2028809. The reversal of 2028808 is 8088202.

It can be written as a sum of positive squares in only one way, i.e., 2022084 + 6724 = 1422^2 + 82^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2028809) by changing a digit.

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 as a sum of consecutive naturals, namely, 126793 + ... + 126808.

2^2028808 is an apocalyptic number.

It is an amenable number.

2028808 is a deficient number, since it is larger than the sum of its proper divisors (1775222).

2028808 is a wasteful number, since it uses less digits than its factorization.

2028808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253607 (or 253603 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 2028808 is about 1424.3623134582. The cubic root of 2028808 is about 126.5941536333.

The spelling of 2028808 in words is "two million, twenty-eight thousand, eight hundred eight".