2887686 has 24 divisors (see below), whose sum is σ = 6307704. Its totient is φ = 954720.

The previous prime is 2887669. The next prime is 2887693. The reversal of 2887686 is 6867882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1881 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (262821).

2^2887686 is an apocalyptic number.

2887686 is an abundant number, since it is smaller than the sum of its proper divisors (3420018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2887686 is a wasteful number, since it uses less digits than its factorization.

2887686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1313 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 2887686 is about 1699.3192754747. The cubic root of 2887686 is about 142.4021858752.

The spelling of 2887686 in words is "two million, eight hundred eighty-seven thousand, six hundred eighty-six".