5636845 has 4 divisors (see below), whose sum is σ = 6764220. Its totient is φ = 4509472.

The previous prime is 5636831. The next prime is 5636849. The reversal of 5636845 is 5486365.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3617604 + 2019241 = 1902^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 5636845 - 2²¹ = 3539693 is a prime.

It is a d-powerful number, because it can be written as 5³ + 6⁸ + 3¹¹ + 6⁸ + 8⁷ + 4³ + 5⁵ .

It is a congruent 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, 563680 + ... + 563689.

It is an arithmetic number, because the mean of its divisors is an integer number (1691055).

Almost surely, 2^5636845 is an apocalyptic number.

It is an amenable number.

5636845 is a deficient number, since it is larger than the sum of its proper divisors (1127375).

5636845 is a wasteful number, since it uses less digits than its factorization.

5636845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127374.

The product of its digits is 86400, while the sum is 37.

The square root of 5636845 is about 2374.2040771593. The cubic root of 5636845 is about 177.9694114841.

The spelling of 5636845 in words is "five million, six hundred thirty-six thousand, eight hundred forty-five".