2689788 has 12 divisors (see below), whose sum is σ = 6276200. Its totient is φ = 896592.

The previous prime is 2689783. The next prime is 2689807. The reversal of 2689788 is 8879862.

It is a happy number.

2689788 is digitally balanced in base 2, 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 nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689783) 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, 112063 + ... + 112086.

2^2689788 is an apocalyptic number.

It is an amenable number.

2689788 is an abundant number, since it is smaller than the sum of its proper divisors (3586412).

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

2689788 is a wasteful number, since it uses less digits than its factorization.

2689788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224156 (or 224154 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 2689788 is about 1640.0573160716. The cubic root of 2689788 is about 139.0718880082.

The spelling of 2689788 in words is "two million, six hundred eighty-nine thousand, seven hundred eighty-eight".