5686623 has 6 divisors (see below), whose sum is σ = 8214024. Its totient is φ = 3791076.

The previous prime is 5686613. The next prime is 5686631. The reversal of 5686623 is 3266865.

It is not a de Polignac number, because 5686623 - 2⁴ = 5686607 is a prime.

It is a super-2 number, since 2×5686623² = 64675362288258, which contains 22 as substring.

5686623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5686613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315915 + ... + 315932.

It is an arithmetic number, because the mean of its divisors is an integer number (1369004).

Almost surely, 2^5686623 is an apocalyptic number.

5686623 is a deficient number, since it is larger than the sum of its proper divisors (2527401).

5686623 is a wasteful number, since it uses less digits than its factorization.

5686623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631853 (or 631850 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 5686623 is about 2384.6641272934. The cubic root of 5686623 is about 178.4917492597.

The spelling of 5686623 in words is "five million, six hundred eighty-six thousand, six hundred twenty-three".