2066843 has 4 divisors (see below), whose sum is σ = 2188440. Its totient is φ = 1945248.

The previous prime is 2066833. The next prime is 2066879. The reversal of 2066843 is 3486602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2066843 - 2⁸ = 2066587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066833) 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 3 ways as a sum of consecutive naturals, for example, 60773 + ... + 60806.

It is an arithmetic number, because the mean of its divisors is an integer number (547110).

2^2066843 is an apocalyptic number.

2066843 is a deficient number, since it is larger than the sum of its proper divisors (121597).

2066843 is a wasteful number, since it uses less digits than its factorization.

2066843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121596.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2066843 is about 1437.6519050173. The cubic root of 2066843 is about 127.3803670867.

The spelling of 2066843 in words is "two million, sixty-six thousand, eight hundred forty-three".