3986061 has 16 divisors (see below), whose sum is σ = 5685120. Its totient is φ = 2478080.

The previous prime is 3986051. The next prime is 3986063. The reversal of 3986061 is 1606893.

It is a cyclic number.

It is not a de Polignac number, because 3986061 - 2⁹ = 3985549 is a prime.

3986061 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2125 + ... + 3533.

It is an arithmetic number, because the mean of its divisors is an integer number (355320).

Almost surely, 2^3986061 is an apocalyptic number.

It is an amenable number.

3986061 is a deficient number, since it is larger than the sum of its proper divisors (1699059).

3986061 is a wasteful number, since it uses less digits than its factorization.

3986061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3986061 is about 1996.5122088282. The cubic root of 3986061 is about 158.5555007365. Note that the first 4 decimals are identical.

The spelling of 3986061 in words is "three million, nine hundred eighty-six thousand, sixty-one".