3685928 has 16 divisors (see below), whose sum is σ = 7058880. Its totient is φ = 1803568.

The previous prime is 3685883. The next prime is 3685949. The reversal of 3685928 is 8295863.

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, 4526 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (441180).

Almost surely, 2^3685928 is an apocalyptic number.

It is an amenable number.

3685928 is a deficient number, since it is larger than the sum of its proper divisors (3372952).

3685928 is a wasteful number, since it uses less digits than its factorization.

3685928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856 (or 9852 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 3685928 is about 1919.8770793986. The cubic root of 3685928 is about 154.4717082146.

The spelling of 3685928 in words is "three million, six hundred eighty-five thousand, nine hundred twenty-eight".