2089021 has 12 divisors (see below), whose sum is σ = 2388960. Its totient is φ = 1811480.

The previous prime is 2089001. The next prime is 2089037. The reversal of 2089021 is 1209802.

It is not a de Polignac number, because 2089021 - 2¹⁵ = 2056253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2088983 and 2089001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089001) 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, 5640 + ... + 5998.

It is an arithmetic number, because the mean of its divisors is an integer number (199080).

2^2089021 is an apocalyptic number.

It is an amenable number.

2089021 is a deficient number, since it is larger than the sum of its proper divisors (299939).

2089021 is a wasteful number, since it uses less digits than its factorization.

2089021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2089021 is about 1445.3445955896. The cubic root of 2089021 is about 127.8343601258.

It can be divided in two parts, 208 and 9021, that added together give a palindrome (9229).

The spelling of 2089021 in words is "two million, eighty-nine thousand, twenty-one".