2026889 has 2 divisors, whose sum is σ = 2026890. Its totient is φ = 2026888.

The previous prime is 2026877. The next prime is 2026909. The reversal of 2026889 is 9886202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1776889 + 250000 = 1333^2 + 500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2026889 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2026819) 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 as a sum of consecutive naturals, namely, 1013444 + 1013445.

It is an arithmetic number, because the mean of its divisors is an integer number (1013445).

2^2026889 is an apocalyptic number.

It is an amenable number.

2026889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026889 is an equidigital number, since it uses as much as digits as its factorization.

2026889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2026889 is about 1423.6885193047. The cubic root of 2026889 is about 126.5542269347.

The spelling of 2026889 in words is "two million, twenty-six thousand, eight hundred eighty-nine".