2287085 has 8 divisors (see below), whose sum is σ = 2839320. Its totient is φ = 1766464.

The previous prime is 2287069. The next prime is 2287093. The reversal of 2287085 is 5807822.

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 1976836 = 557^2 + 1406^2 .

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 2287085 - 2⁴ = 2287069 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7742 + ... + 8031.

It is an arithmetic number, because the mean of its divisors is an integer number (354915).

2^2287085 is an apocalyptic number.

It is an amenable number.

2287085 is a deficient number, since it is larger than the sum of its proper divisors (552235).

2287085 is a wasteful number, since it uses less digits than its factorization.

2287085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15807.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2287085 is about 1512.3111452343. The cubic root of 2287085 is about 131.7530775685.

The spelling of 2287085 in words is "two million, two hundred eighty-seven thousand, eighty-five".