556396 has 12 divisors (see below), whose sum is σ = 1025080. Its totient is φ = 263520.

The previous prime is 556373. The next prime is 556399. The reversal of 556396 is 693655.

556396 = T₈₁ + T₈₂ + ... + T₁₅₆.

It is not an unprimeable number, because it can be changed into a prime (556399) by changing a digit.

556396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3585 + ... + 3736.

2⁵⁵⁶³⁹⁶ is an apocalyptic number.

It is an amenable number.

556396 is a deficient number, since it is larger than the sum of its proper divisors (468684).

556396 is a wasteful number, since it uses less digits than its factorization.

556396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344 (or 7342 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 556396 is about 745.9195667094. The cubic root of 556396 is about 82.2485025426.

The spelling of 556396 in words is "five hundred fifty-six thousand, three hundred ninety-six".