3986211 has 16 divisors (see below), whose sum is σ = 5750784. Its totient is φ = 2446464.

The previous prime is 3986209. The next prime is 3986231. The reversal of 3986211 is 1126893.

It is not a de Polignac number, because 3986211 - 2¹ = 3986209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3986201) 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, 1566 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (359424).

Almost surely, 2^3986211 is an apocalyptic number.

3986211 is a deficient number, since it is larger than the sum of its proper divisors (1764573).

3986211 is a wasteful number, since it uses less digits than its factorization.

3986211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730.

The product of its digits is 2592, while the sum is 30.

The square root of 3986211 is about 1996.5497739851. The cubic root of 3986211 is about 158.5574895860.

The spelling of 3986211 in words is "three million, nine hundred eighty-six thousand, two hundred eleven".