3687928 has 8 divisors (see below), whose sum is σ = 6914880. Its totient is φ = 1843960.

The previous prime is 3687923. The next prime is 3687941. The reversal of 3687928 is 8297863.

3687928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687923) 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 as a sum of consecutive naturals, namely, 230488 + ... + 230503.

It is an arithmetic number, because the mean of its divisors is an integer number (864360).

Almost surely, 2^3687928 is an apocalyptic number.

It is an amenable number.

3687928 is a deficient number, since it is larger than the sum of its proper divisors (3226952).

3687928 is a wasteful number, since it uses less digits than its factorization.

3687928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460997 (or 460993 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 3687928 is about 1920.3978754414. The cubic root of 3687928 is about 154.4996421618.

The spelling of 3687928 in words is "three million, six hundred eighty-seven thousand, nine hundred twenty-eight".