556982 has 4 divisors (see below), whose sum is σ = 835476. Its totient is φ = 278490.

The previous prime is 556981. The next prime is 556987. The reversal of 556982 is 289655.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139244 + ... + 139247.

It is an arithmetic number, because the mean of its divisors is an integer number (208869).

2⁵⁵⁶⁹⁸² is an apocalyptic number.

556982 is a deficient number, since it is larger than the sum of its proper divisors (278494).

556982 is a wasteful number, since it uses less digits than its factorization.

556982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278493.

The product of its digits is 21600, while the sum is 35.

The square root of 556982 is about 746.3122670840. The cubic root of 556982 is about 82.2773673030.

The spelling of 556982 in words is "five hundred fifty-six thousand, nine hundred eighty-two".