5686668 has 72 divisors (see below), whose sum is σ = 16052400. Its totient is φ = 1685376.

The previous prime is 5686649. The next prime is 5686669. The reversal of 5686668 is 8666865.

It is not an unprimeable number, because it can be changed into a prime (5686669) 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 23 ways as a sum of consecutive naturals, for example, 13363 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (222950).

Almost surely, 2^5686668 is an apocalyptic number.

5686668 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5686668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8026200).

5686668 is an abundant number, since it is smaller than the sum of its proper divisors (10365732).

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

5686668 is a wasteful number, since it uses less digits than its factorization.

5686668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 466 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 5686668 is about 2384.6735625657. The cubic root of 5686668 is about 178.4922200785.

The spelling of 5686668 in words is "five million, six hundred eighty-six thousand, six hundred sixty-eight".