5685861 has 4 divisors (see below), whose sum is σ = 7581152. Its totient is φ = 3790572.

The previous prime is 5685859. The next prime is 5685863. The reversal of 5685861 is 1685865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5685859) and next prime (5685863).

It is not a de Polignac number, because 5685861 - 2¹ = 5685859 is a prime.

It is a super-2 number, since 2×5685861² = 64658030622642, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5685863) 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, 947641 + ... + 947646.

It is an arithmetic number, because the mean of its divisors is an integer number (1895288).

Almost surely, 2^5685861 is an apocalyptic number.

It is an amenable number.

5685861 is a deficient number, since it is larger than the sum of its proper divisors (1895291).

5685861 is a wasteful number, since it uses less digits than its factorization.

5685861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895290.

The product of its digits is 57600, while the sum is 39.

The square root of 5685861 is about 2384.5043510130. The cubic root of 5685861 is about 178.4837763504.

The spelling of 5685861 in words is "five million, six hundred eighty-five thousand, eight hundred sixty-one".