3985156 has 12 divisors (see below), whose sum is σ = 7970368. Its totient is φ = 1707912.

The previous prime is 3985103. The next prime is 3985181. The reversal of 3985156 is 6515893.

3985156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3985156 is an admirable number.

It is an unprimeable number.

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, 71136 + ... + 71191.

Almost surely, 2^3985156 is an apocalyptic number.

It is an amenable number.

3985156 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.

3985156 is a wasteful number, since it uses less digits than its factorization.

3985156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142338 (or 142336 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 3985156 is about 1996.2855507166. The cubic root of 3985156 is about 158.5435002855.

The spelling of 3985156 in words is "three million, nine hundred eighty-five thousand, one hundred fifty-six".