5686685 has 4 divisors (see below), whose sum is σ = 6824028. Its totient is φ = 4549344.

The previous prime is 5686673. The next prime is 5686691. The reversal of 5686685 is 5866865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5866865 = 5 ⋅1173373.

It can be written as a sum of positive squares in 2 ways, for example, as 3853369 + 1833316 = 1963^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 5686685 - 2⁴ = 5686669 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568664 + ... + 568673.

It is an arithmetic number, because the mean of its divisors is an integer number (1706007).

Almost surely, 2^5686685 is an apocalyptic number.

It is an amenable number.

5686685 is a deficient number, since it is larger than the sum of its proper divisors (1137343).

5686685 is a wasteful number, since it uses less digits than its factorization.

5686685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137342.

The product of its digits is 345600, while the sum is 44.

The square root of 5686685 is about 2384.6771269922. The cubic root of 5686685 is about 178.4923979427.

The spelling of 5686685 in words is "five million, six hundred eighty-six thousand, six hundred eighty-five".