5805865 has 16 divisors (see below), whose sum is σ = 7560000. Its totient is φ = 4254912.

The previous prime is 5805859. The next prime is 5805869. The reversal of 5805865 is 5685085.

It is a happy number.

5805865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5805865 is a prime.

5805865 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5805869) 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 15 ways as a sum of consecutive naturals, for example, 11386 + ... + 11884.

It is an arithmetic number, because the mean of its divisors is an integer number (472500).

Almost surely, 2^5805865 is an apocalyptic number.

It is an amenable number.

5805865 is a deficient number, since it is larger than the sum of its proper divisors (1754135).

5805865 is a wasteful number, since it uses less digits than its factorization.

5805865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 5805865 is about 2409.5362624372. The cubic root of 5805865 is about 179.7307187535.

It can be divided in two parts, 5805 and 865, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 5805865 in words is "five million, eight hundred five thousand, eight hundred sixty-five".