2887216 has 20 divisors (see below), whose sum is σ = 5775424. Its totient is φ = 1396800.

The previous prime is 2887207. The next prime is 2887217. The reversal of 2887216 is 6127882.

2887216 = T₄₁₆ + T₄₁₇ + ... + T₄₄₆.

2887216 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2887217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2415 + ... + 3406.

2^2887216 is an apocalyptic number.

It is an amenable number.

2887216 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2887216 is a wasteful number, since it uses less digits than its factorization.

2887216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860 (or 5854 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 2887216 is about 1699.1809791779. The cubic root of 2887216 is about 142.3944596590.

The spelling of 2887216 in words is "two million, eight hundred eighty-seven thousand, two hundred sixteen".