287795 has 4 divisors (see below), whose sum is σ = 345360. Its totient is φ = 230232.

The previous prime is 287789. The next prime is 287801. The reversal of 287795 is 597782.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (287789) and next prime (287801).

It is a cyclic number.

It is not a de Polignac number, because 287795 - 2⁶ = 287731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28775 + ... + 28784.

It is an arithmetic number, because the mean of its divisors is an integer number (86340).

2²⁸⁷⁷⁹⁵ is an apocalyptic number.

287795 is a deficient number, since it is larger than the sum of its proper divisors (57565).

287795 is an equidigital number, since it uses as much as digits as its factorization.

287795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57564.

The product of its digits is 35280, while the sum is 38.

The square root of 287795 is about 536.4652831265. The cubic root of 287795 is about 66.0228723910.

The spelling of 287795 in words is "two hundred eighty-seven thousand, seven hundred ninety-five".