2000287 has 4 divisors (see below), whose sum is σ = 2087280. Its totient is φ = 1913296.

The previous prime is 2000281. The next prime is 2000291. The reversal of 2000287 is 7820002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7820002 = 2 ⋅3910001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000287 is a prime.

It is a super-3 number, since 3×2000287³ = 24010333482712919709, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

2000287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43462 + ... + 43507.

It is an arithmetic number, because the mean of its divisors is an integer number (521820).

2^2000287 is an apocalyptic number.

2000287 is a deficient number, since it is larger than the sum of its proper divisors (86993).

2000287 is an equidigital number, since it uses as much as digits as its factorization.

2000287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86992.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2000287 is about 1414.3150285562. The cubic root of 2000287 is about 125.9981313236.

Adding to 2000287 its reverse (7820002), we get a palindrome (9820289).

The spelling of 2000287 in words is "two million, two hundred eighty-seven", and thus it is an aban number.