5806861 has 2 divisors, whose sum is σ = 5806862. Its totient is φ = 5806860.

The previous prime is 5806841. The next prime is 5806883. The reversal of 5806861 is 1686085.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5731236 + 75625 = 2394^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 5806861 - 2⁹ = 5806349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5806841) 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, 2903430 + 2903431.

It is an arithmetic number, because the mean of its divisors is an integer number (2903431).

Almost surely, 2^5806861 is an apocalyptic number.

It is an amenable number.

5806861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5806861 is an equidigital number, since it uses as much as digits as its factorization.

5806861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 5806861 is about 2409.7429323478. The cubic root of 5806861 is about 179.7409958072.

The spelling of 5806861 in words is "five million, eight hundred six thousand, eight hundred sixty-one".