867136 has 28 divisors (see below), whose sum is σ = 1824228. Its totient is φ = 407552.

The previous prime is 867131. The next prime is 867143. The reversal of 867136 is 631768.

It can be written as a sum of positive squares in 2 ways, for example, as 553536 + 313600 = 744^2 + 560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 867098 and 867107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (65151).

2⁸⁶⁷¹³⁶ 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 867136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912114).

867136 is an abundant number, since it is smaller than the sum of its proper divisors (957092).

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

867136 is a wasteful number, since it uses less digits than its factorization.

867136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 816 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 867136 is about 931.2013745694. The cubic root of 867136 is about 95.3591575380.

The spelling of 867136 in words is "eight hundred sixty-seven thousand, one hundred thirty-six".