867256 has 32 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 385920.

The previous prime is 867253. The next prime is 867257. The reversal of 867256 is 652768.

It is a d-powerful number, because it can be written as 8 + 6² + 2¹⁵ + 7⁷ + 5⁵ + 6⁵ .

Its product of digits (20160) is a multiple of the sum of its prime divisors (315).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3090 + ... + 3358.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2⁸⁶⁷²⁵⁶ is an apocalyptic number.

867256 is the 538-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

867256 is an abundant number, since it is smaller than the sum of its proper divisors (947144).

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

867256 is a wasteful number, since it uses less digits than its factorization.

867256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 315 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 867256 is about 931.2658052350. The cubic root of 867256 is about 95.3635561449.

The spelling of 867256 in words is "eight hundred sixty-seven thousand, two hundred fifty-six".