3986056 has 8 divisors (see below), whose sum is σ = 7473870. Its totient is φ = 1993024.

The previous prime is 3986051. The next prime is 3986063. The reversal of 3986056 is 6506893.

It can be written as a sum of positive squares in only one way, i.e., 3481956 + 504100 = 1866^2 + 710^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3986051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249121 + ... + 249136.

Almost surely, 2^3986056 is an apocalyptic number.

It is an amenable number.

3986056 is a deficient number, since it is larger than the sum of its proper divisors (3487814).

3986056 is a wasteful number, since it uses less digits than its factorization.

3986056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498263 (or 498259 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 3986056 is about 1996.5109566441. The cubic root of 3986056 is about 158.5554344406. Note that the first 3 decimals are identical.

The spelling of 3986056 in words is "three million, nine hundred eighty-six thousand, fifty-six".