5657886 has 24 divisors (see below), whose sum is σ = 13202280. Its totient is φ = 1740816.

The previous prime is 5657881. The next prime is 5657887. The reversal of 5657886 is 6887565.

5657886 is a `hidden beast` number, since 565 + 7 + 8 + 86 = 666.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11856 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (550095).

Almost surely, 2^5657886 is an apocalyptic number.

5657886 is an abundant number, since it is smaller than the sum of its proper divisors (7544394).

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

5657886 is a wasteful number, since it uses less digits than its factorization.

5657886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24200 (or 24197 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 5657886 is about 2378.6311189422. The cubic root of 5657886 is about 178.1905756711.

The spelling of 5657886 in words is "five million, six hundred fifty-seven thousand, eight hundred eighty-six".