556916 has 12 divisors (see below), whose sum is σ = 1008420. Its totient is φ = 268800.

The previous prime is 556891. The next prime is 556931. The reversal of 556916 is 619655.

It can be written as a sum of positive squares in 2 ways, for example, as 306916 + 250000 = 554^2 + 500^2 .

It is a congruent number.

It is an unprimeable number.

556916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285 + ... + 2516.

It is an arithmetic number, because the mean of its divisors is an integer number (84035).

2⁵⁵⁶⁹¹⁶ is an apocalyptic number.

It is an amenable number.

556916 is a deficient number, since it is larger than the sum of its proper divisors (451504).

556916 is a wasteful number, since it uses less digits than its factorization.

556916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4832 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 556916 is about 746.2680483580. The cubic root of 556916 is about 82.2741173352.

The spelling of 556916 in words is "five hundred fifty-six thousand, nine hundred sixteen".