5806643 has 2 divisors, whose sum is σ = 5806644. Its totient is φ = 5806642.

The previous prime is 5806637. The next prime is 5806657. The reversal of 5806643 is 3466085.

5806643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5806643 - 2⁸ = 5806387 is a prime.

It is not a weakly prime, because it can be changed into another prime (5806613) 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 as a sum of consecutive naturals, namely, 2903321 + 2903322.

It is an arithmetic number, because the mean of its divisors is an integer number (2903322).

Almost surely, 2^5806643 is an apocalyptic number.

5806643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5806643 is an equidigital number, since it uses as much as digits as its factorization.

5806643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 5806643 is about 2409.6976988826. The cubic root of 5806643 is about 179.7387465124.

The spelling of 5806643 in words is "five million, eight hundred six thousand, six hundred forty-three".