986256 has 50 divisors (see below), whose sum is σ = 2858262. Its totient is φ = 328320.

The previous prime is 986239. The next prime is 986257. The reversal of 986256 is 652689.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 467856 = 720^2 + 684^2 .

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 986256.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 986256.

It is not an unprimeable number, because it can be changed into a prime (986257) by changing a digit.

986256 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 9 ways as a sum of consecutive naturals, for example, 916 + ... + 1676.

2⁹⁸⁶²⁵⁶ 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 986256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429131).

986256 is an abundant number, since it is smaller than the sum of its proper divisors (1872006).

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

986256 is a wasteful number, since it uses less digits than its factorization.

986256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 766 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 986256 is about 993.1042241376. The cubic root of 986256 is about 99.5397516308.

The spelling of 986256 in words is "nine hundred eighty-six thousand, two hundred fifty-six".