5636843 has 4 divisors (see below), whose sum is σ = 5968440. Its totient is φ = 5305248.

The previous prime is 5636831. The next prime is 5636849. The reversal of 5636843 is 3486365.

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 5636843 - 2¹² = 5632747 is a prime.

It is a d-powerful number, because it can be written as 5³ + 6⁴ + 3⁷ + 6⁸ + 8⁷ + 4⁹ + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5636849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165773 + ... + 165806.

It is an arithmetic number, because the mean of its divisors is an integer number (1492110).

Almost surely, 2^5636843 is an apocalyptic number.

5636843 is a deficient number, since it is larger than the sum of its proper divisors (331597).

5636843 is a wasteful number, since it uses less digits than its factorization.

5636843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331596.

The product of its digits is 51840, while the sum is 35.

The square root of 5636843 is about 2374.2036559655. The cubic root of 5636843 is about 177.9693904358.

The spelling of 5636843 in words is "five million, six hundred thirty-six thousand, eight hundred forty-three".