3681788 has 18 divisors (see below), whose sum is σ = 7083048. Its totient is φ = 1673320.

The previous prime is 3681787. The next prime is 3681791. The reversal of 3681788 is 8871863.

3681788 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3320 + ... + 4287.

Almost surely, 2^3681788 is an apocalyptic number.

It is an amenable number.

3681788 is a deficient number, since it is larger than the sum of its proper divisors (3401260).

3681788 is a wasteful number, since it uses less digits than its factorization.

3681788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633 (or 7620 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 3681788 is about 1918.7985824468. The cubic root of 3681788 is about 154.4138528203.

The spelling of 3681788 in words is "three million, six hundred eighty-one thousand, seven hundred eighty-eight".