3681968 has 10 divisors (see below), whose sum is σ = 7133844. Its totient is φ = 1840976.

The previous prime is 3681967. The next prime is 3682031. The reversal of 3681968 is 8691863.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3681967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115046 + ... + 115077.

Almost surely, 2^3681968 is an apocalyptic number.

It is an amenable number.

3681968 is a deficient number, since it is larger than the sum of its proper divisors (3451876).

3681968 is a wasteful number, since it uses less digits than its factorization.

3681968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230131 (or 230125 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 3681968 is about 1918.8454862234. The cubic root of 3681968 is about 154.4163691738.

The spelling of 3681968 in words is "three million, six hundred eighty-one thousand, nine hundred sixty-eight".