956556 has 48 divisors (see below), whose sum is σ = 2630880. Its totient is φ = 299520.

The previous prime is 956521. The next prime is 956569. The reversal of 956556 is 655659.

It is a super-2 number, since 2×956556² = 1829998762272, which contains 22 as substring.

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 956556.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (54810).

2⁹⁵⁶⁵⁵⁶ 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 956556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315440).

956556 is an abundant number, since it is smaller than the sum of its proper divisors (1674324).

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

956556 is a wasteful number, since it uses less digits than its factorization.

956556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 543 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 956556 is about 978.0368091233. The cubic root of 956556 is about 98.5303744781.

It can be divided in two parts, 9 and 56556, that added together give a palindrome (56565).

The spelling of 956556 in words is "nine hundred fifty-six thousand, five hundred fifty-six".