556408 has 16 divisors (see below), whose sum is σ = 1052280. Its totient is φ = 275808.

The previous prime is 556403. The next prime is 556441. The reversal of 556408 is 804655.

556408 is nontrivially palindromic in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556403) 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, 1035 + ... + 1477.

2⁵⁵⁶⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

556408 is a deficient number, since it is larger than the sum of its proper divisors (495872).

556408 is a wasteful number, since it uses less digits than its factorization.

556408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 556408 is about 745.9276104288. The cubic root of 556408 is about 82.2490938331.

The spelling of 556408 in words is "five hundred fifty-six thousand, four hundred eight".