5686856 has 32 divisors (see below), whose sum is σ = 12277440. Its totient is φ = 2419008.

The previous prime is 5686853. The next prime is 5686861. The reversal of 5686856 is 6586865.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5686853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9395 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (383670).

Almost surely, 2^5686856 is an apocalyptic number.

5686856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5686856 is an abundant number, since it is smaller than the sum of its proper divisors (6590584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5686856 is a wasteful number, since it uses less digits than its factorization.

5686856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 769 counting only the distinct ones).

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

The square root of 5686856 is about 2384.7129806331. The cubic root of 5686856 is about 178.4941870281.

Subtracting 5686856 from its reverse (6586865), we obtain a palindrome (900009).

The spelling of 5686856 in words is "five million, six hundred eighty-six thousand, eight hundred fifty-six".