3689968 has 20 divisors (see below), whose sum is σ = 7189768. Its totient is φ = 1834560.

The previous prime is 3689963. The next prime is 3689993. The reversal of 3689968 is 8699863.

3689968 is digitally balanced in base 2, 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 (3689963) 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, 2830 + ... + 3922.

Almost surely, 2^3689968 is an apocalyptic number.

It is an amenable number.

3689968 is a deficient number, since it is larger than the sum of its proper divisors (3499800).

3689968 is a wasteful number, since it uses less digits than its factorization.

3689968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1306 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 3689968 is about 1920.9289419445. The cubic root of 3689968 is about 154.5281243858.

The spelling of 3689968 in words is "three million, six hundred eighty-nine thousand, nine hundred sixty-eight".