2687996 has 6 divisors (see below), whose sum is σ = 4704000. Its totient is φ = 1343996.

The previous prime is 2687983. The next prime is 2687999. The reversal of 2687996 is 6997862.

2687996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2687996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687999) 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 as a sum of consecutive naturals, namely, 335996 + ... + 336003.

It is an arithmetic number, because the mean of its divisors is an integer number (784000).

2^2687996 is an apocalyptic number.

It is an amenable number.

2687996 is a deficient number, since it is larger than the sum of its proper divisors (2016004).

2687996 is a wasteful number, since it uses less digits than its factorization.

2687996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672003 (or 672001 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 2687996 is about 1639.5109026780. The cubic root of 2687996 is about 139.0409968266.

The spelling of 2687996 in words is "two million, six hundred eighty-seven thousand, nine hundred ninety-six".