287086 has 12 divisors (see below), whose sum is σ = 455112. Its totient is φ = 135564.

The previous prime is 287059. The next prime is 287087. The reversal of 287086 is 680782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3595 + ... + 3673.

It is an arithmetic number, because the mean of its divisors is an integer number (37926).

2²⁸⁷⁰⁸⁶ is an apocalyptic number.

287086 is a deficient number, since it is larger than the sum of its proper divisors (168026).

287086 is an equidigital number, since it uses as much as digits as its factorization.

287086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 287086 is about 535.8040686669. The cubic root of 287086 is about 65.9686107242.

The spelling of 287086 in words is "two hundred eighty-seven thousand, eighty-six".