2887664 has 20 divisors (see below), whose sum is σ = 6025656. Its totient is φ = 1332672.

The previous prime is 2887663. The next prime is 2887669. The reversal of 2887664 is 4667882.

2887664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734 + ... + 7149.

2^2887664 is an apocalyptic number.

It is an amenable number.

2887664 is an abundant number, since it is smaller than the sum of its proper divisors (3137992).

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

2887664 is a wasteful number, since it uses less digits than its factorization.

2887664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904 (or 13898 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 2887664 is about 1699.3128022821. The cubic root of 2887664 is about 142.4018242412.

The spelling of 2887664 in words is "two million, eight hundred eighty-seven thousand, six hundred sixty-four".