286704 has 60 divisors (see below), whose sum is σ = 880152. Its totient is φ = 86400.

The previous prime is 286703. The next prime is 286711. The reversal of 286704 is 407682.

286704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1494 + ... + 1674.

286704 is a Friedman number, since it can be written as 70*4^6-8*2, using all its digits and the basic arithmetic operations.

2²⁸⁶⁷⁰⁴ is an apocalyptic number.

286704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440076).

286704 is an abundant number, since it is smaller than the sum of its proper divisors (593448).

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

286704 is a wasteful number, since it uses less digits than its factorization.

286704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 286704 is about 535.4474764158. The cubic root of 286704 is about 65.9393382011.

It can be divided in two parts, 286 and 704, that added together give a triangular number (990 = T₄₄).

The spelling of 286704 in words is "two hundred eighty-six thousand, seven hundred four".