2021827208 has 16 divisors (see below), whose sum is σ = 3791509980. Its totient is φ = 1010757888.

The previous prime is 2021827201. The next prime is 2021827237. The reversal of 2021827208 is 8027281202.

It can be written as a sum of positive squares in 2 ways, for example, as 1704203524 + 317623684 = 41282^2 + 17822^2 .

It is not an unprimeable number, because it can be changed into a prime (2021827201) 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 in 3 ways as a sum of consecutive naturals, for example, 50516 + ... + 81212.

Almost surely, 2^2021827208 is an apocalyptic number.

It is an amenable number.

2021827208 is a deficient number, since it is larger than the sum of its proper divisors (1769682772).

2021827208 is a wasteful number, since it uses less digits than its factorization.

2021827208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38936 (or 38932 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 2021827208 is about 44964.7329359355. The cubic root of 2021827208 is about 1264.4879028304.

The spelling of 2021827208 in words is "two billion, twenty-one million, eight hundred twenty-seven thousand, two hundred eight".