285995 has 8 divisors (see below), whose sum is σ = 350784. Its totient is φ = 223744.

The previous prime is 285983. The next prime is 285997. The reversal of 285995 is 599582.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 285995 - 2⁴ = 285979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374 + ... + 843.

It is an arithmetic number, because the mean of its divisors is an integer number (43848).

2²⁸⁵⁹⁹⁵ is an apocalyptic number.

285995 is a deficient number, since it is larger than the sum of its proper divisors (64789).

285995 is a wasteful number, since it uses less digits than its factorization.

285995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269.

The product of its digits is 32400, while the sum is 38.

The square root of 285995 is about 534.7850035295. The cubic root of 285995 is about 65.8849387959.

The spelling of 285995 in words is "two hundred eighty-five thousand, nine hundred ninety-five".