2086843 has 4 divisors (see below), whose sum is σ = 2276568. Its totient is φ = 1897120.

The previous prime is 2086841. The next prime is 2086853. The reversal of 2086843 is 3486802.

It is a happy number.

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 2086843 - 2¹ = 2086841 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94846 + ... + 94867.

It is an arithmetic number, because the mean of its divisors is an integer number (569142).

2^2086843 is an apocalyptic number.

2086843 is a deficient number, since it is larger than the sum of its proper divisors (189725).

2086843 is a wasteful number, since it uses less digits than its factorization.

2086843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189724.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2086843 is about 1444.5909455621. The cubic root of 2086843 is about 127.7899182472.

The spelling of 2086843 in words is "two million, eighty-six thousand, eight hundred forty-three".