5657686 has 8 divisors (see below), whose sum is σ = 8760384. Its totient is φ = 2737560.

The previous prime is 5657683. The next prime is 5657693. The reversal of 5657686 is 6867565.

5657686 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657683) 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, 45565 + ... + 45688.

It is an arithmetic number, because the mean of its divisors is an integer number (1095048).

Almost surely, 2^5657686 is an apocalyptic number.

5657686 is a deficient number, since it is larger than the sum of its proper divisors (3102698).

5657686 is a wasteful number, since it uses less digits than its factorization.

5657686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91286.

The product of its digits is 302400, while the sum is 43.

The square root of 5657686 is about 2378.5890775836. The cubic root of 5657686 is about 178.1884760332.

The spelling of 5657686 in words is "five million, six hundred fifty-seven thousand, six hundred eighty-six".