984556 has 12 divisors (see below), whose sum is σ = 1759968. Its totient is φ = 481712.

The previous prime is 984541. The next prime is 984563. The reversal of 984556 is 655489.

It is an unprimeable number.

984556 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, 2431 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (146664).

2⁹⁸⁴⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

984556 is a deficient number, since it is larger than the sum of its proper divisors (775412).

984556 is a wasteful number, since it uses less digits than its factorization.

984556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288 (or 5286 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 984556 is about 992.2479528827. The cubic root of 984556 is about 99.4825268342.

It can be divided in two parts, 984 and 556, that added together give a triangular number (1540 = T₅₅).

The spelling of 984556 in words is "nine hundred eighty-four thousand, five hundred fifty-six".