3666928 has 20 divisors (see below), whose sum is σ = 7334848. Its totient is φ = 1774080.

The previous prime is 3666919. The next prime is 3666947. The reversal of 3666928 is 8296663.

3666928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

3666928 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3201 + ... + 4192.

Almost surely, 2^3666928 is an apocalyptic number.

It is an amenable number.

3666928 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3666928 is a wasteful number, since it uses less digits than its factorization.

3666928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432 (or 7426 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 3666928 is about 1914.9224527380. The cubic root of 3666928 is about 154.2058303554.

The spelling of 3666928 in words is "three million, six hundred sixty-six thousand, nine hundred twenty-eight".