3986156 has 6 divisors (see below), whose sum is σ = 6975780. Its totient is φ = 1993076.

The previous prime is 3986113. The next prime is 3986159. The reversal of 3986156 is 6516893.

It is not an unprimeable number, because it can be changed into a prime (3986159) by changing a digit.

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 as a sum of consecutive naturals, namely, 498266 + ... + 498273.

It is an arithmetic number, because the mean of its divisors is an integer number (1162630).

Almost surely, 2^3986156 is an apocalyptic number.

It is an amenable number.

3986156 is a deficient number, since it is larger than the sum of its proper divisors (2989624).

3986156 is a wasteful number, since it uses less digits than its factorization.

3986156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996543 (or 996541 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 3986156 is about 1996.5360001763. The cubic root of 3986156 is about 158.5567603470.

The spelling of 3986156 in words is "three million, nine hundred eighty-six thousand, one hundred fifty-six".