2887687 has 8 divisors (see below), whose sum is σ = 3191040. Its totient is φ = 2591160.

The previous prime is 2887669. The next prime is 2887693. The reversal of 2887687 is 7867882.

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

It is not a de Polignac number, because 2887687 - 2¹¹ = 2885639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793 + ... + 2530.

It is an arithmetic number, because the mean of its divisors is an integer number (398880).

2^2887687 is an apocalyptic number.

2887687 is a deficient number, since it is larger than the sum of its proper divisors (303353).

2887687 is a wasteful number, since it uses less digits than its factorization.

2887687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413.

The product of its digits is 301056, while the sum is 46.

The square root of 2887687 is about 1699.3195697102. The cubic root of 2887687 is about 142.4022023131.

The spelling of 2887687 in words is "two million, eight hundred eighty-seven thousand, six hundred eighty-seven".