2887680 has 104 divisors (see below), whose sum is σ = 9436032. Its totient is φ = 753664.

The previous prime is 2887669. The next prime is 2887693. The reversal of 2887680 is 867882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61417 + ... + 61463.

2^2887680 is an apocalyptic number.

2887680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2887680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4718016).

2887680 is an abundant number, since it is smaller than the sum of its proper divisors (6548352).

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

2887680 is an equidigital number, since it uses as much as digits as its factorization.

2887680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 2887680 is about 1699.3175100610. The cubic root of 2887680 is about 142.4020872479.

The spelling of 2887680 in words is "two million, eight hundred eighty-seven thousand, six hundred eighty".