3681208 has 16 divisors (see below), whose sum is σ = 7000560. Its totient is φ = 1814400.

The previous prime is 3681199. The next prime is 3681217. The reversal of 3681208 is 8021863.

3681208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3681199) and next prime (3681217).

It is a congruent number.

It is an unprimeable number.

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, 2673 + ... + 3808.

It is an arithmetic number, because the mean of its divisors is an integer number (437535).

Almost surely, 2^3681208 is an apocalyptic number.

It is an amenable number.

3681208 is a deficient number, since it is larger than the sum of its proper divisors (3319352).

3681208 is a wasteful number, since it uses less digits than its factorization.

3681208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558 (or 6554 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3681208 is about 1918.6474402558. The cubic root of 3681208 is about 154.4057440121.

The spelling of 3681208 in words is "three million, six hundred eighty-one thousand, two hundred eight".