556486 has 8 divisors (see below), whose sum is σ = 954000. Its totient is φ = 238488.

The previous prime is 556483. The next prime is 556487. The reversal of 556486 is 684655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556483) 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, 19861 + ... + 19888.

It is an arithmetic number, because the mean of its divisors is an integer number (119250).

2⁵⁵⁶⁴⁸⁶ is an apocalyptic number.

556486 is a deficient number, since it is larger than the sum of its proper divisors (397514).

556486 is a wasteful number, since it uses less digits than its factorization.

556486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39758.

The product of its digits is 28800, while the sum is 34.

The square root of 556486 is about 745.9798924904. The cubic root of 556486 is about 82.2529370138.

The spelling of 556486 in words is "five hundred fifty-six thousand, four hundred eighty-six".