556886 has 16 divisors (see below), whose sum is σ = 965520. Its totient is φ = 238080.

The previous prime is 556883. The next prime is 556891. The reversal of 556886 is 688655.

556886 is nontrivially palindromic in base 15.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556883) 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, 371 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (60345).

2⁵⁵⁶⁸⁸⁶ is an apocalyptic number.

556886 is a deficient number, since it is larger than the sum of its proper divisors (408634).

556886 is a wasteful number, since it uses less digits than its factorization.

556886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519.

The product of its digits is 57600, while the sum is 38.

The square root of 556886 is about 746.2479480709. The cubic root of 556886 is about 82.2726399922.

Subtracting 556886 from its reverse (688655), we obtain a square (131769 = 363²).

The spelling of 556886 in words is "five hundred fifty-six thousand, eight hundred eighty-six".