3985228 has 24 divisors (see below), whose sum is σ = 7571088. Its totient is φ = 1824576.

The previous prime is 3985217. The next prime is 3985237. The reversal of 3985228 is 8225893.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8775 + ... + 9217.

It is an arithmetic number, because the mean of its divisors is an integer number (315462).

Almost surely, 2^3985228 is an apocalyptic number.

It is an amenable number.

3985228 is a deficient number, since it is larger than the sum of its proper divisors (3585860).

3985228 is a wasteful number, since it uses less digits than its factorization.

3985228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 3985228 is about 1996.3035841274. The cubic root of 3985228 is about 158.5444550840.

The spelling of 3985228 in words is "three million, nine hundred eighty-five thousand, two hundred twenty-eight".