2787996 has 12 divisors (see below), whose sum is σ = 6505352. Its totient is φ = 929328.

The previous prime is 2787977. The next prime is 2788007. The reversal of 2787996 is 6997872.

2787996 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116155 + ... + 116178.

2^2787996 is an apocalyptic number.

It is an amenable number.

2787996 is an abundant number, since it is smaller than the sum of its proper divisors (3717356).

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

2787996 is a wasteful number, since it uses less digits than its factorization.

2787996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232340 (or 232338 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 2787996 is about 1669.7293193808. The cubic root of 2787996 is about 140.7442676077.

The spelling of 2787996 in words is "two million, seven hundred eighty-seven thousand, nine hundred ninety-six".