875556 has 72 divisors (see below), whose sum is σ = 2532320. Its totient is φ = 261360.

The previous prime is 875543. The next prime is 875579. The reversal of 875556 is 655578.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 875556.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 875556.

It is an unprimeable number.

875556 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13035 + ... + 13101.

2⁸⁷⁵⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 875556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266160).

875556 is an abundant number, since it is smaller than the sum of its proper divisors (1656764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

875556 is a wasteful number, since it uses less digits than its factorization.

875556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 83 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 875556 is about 935.7114939980. The cubic root of 875556 is about 95.6668137013. Note that the first 3 decimals are identical.

It can be divided in two parts, 875 and 556, that added together give a triangular number (1431 = T₅₃).

The spelling of 875556 in words is "eight hundred seventy-five thousand, five hundred fifty-six".