868084 has 36 divisors (see below), whose sum is σ = 1825824. Its totient is φ = 359856.

The previous prime is 868081. The next prime is 868103. The reversal of 868084 is 480868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8377 + ... + 8479.

2⁸⁶⁸⁰⁸⁴ 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 868084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912912).

868084 is an abundant number, since it is smaller than the sum of its proper divisors (957740).

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

868084 is a wasteful number, since it uses less digits than its factorization.

868084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 868084 is about 931.7102553906. The cubic root of 868084 is about 95.3938954791.

The spelling of 868084 in words is "eight hundred sixty-eight thousand, eighty-four".