2021802 has 16 divisors (see below), whose sum is σ = 4065312. Its totient is φ = 670320.

The previous prime is 2021801. The next prime is 2021807. The reversal of 2021802 is 2081202.

It is not an unprimeable number, because it can be changed into a prime (2021801) 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 7 ways as a sum of consecutive naturals, for example, 468 + ... + 2064.

It is an arithmetic number, because the mean of its divisors is an integer number (254082).

2^2021802 is an apocalyptic number.

2021802 is an abundant number, since it is smaller than the sum of its proper divisors (2043510).

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

2021802 is a wasteful number, since it uses less digits than its factorization.

2021802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2021802 is about 1421.9008404245. The cubic root of 2021802 is about 126.4482647626.

The spelling of 2021802 in words is "two million, twenty-one thousand, eight hundred two".