3986611 has 2 divisors, whose sum is σ = 3986612. Its totient is φ = 3986610.

The previous prime is 3986597. The next prime is 3986617. The reversal of 3986611 is 1166893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3986611 - 2¹⁷ = 3855539 is a prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (3986617) 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, 1993305 + 1993306.

It is an arithmetic number, because the mean of its divisors is an integer number (1993306).

Almost surely, 2^3986611 is an apocalyptic number.

3986611 is a deficient number, since it is larger than the sum of its proper divisors (1).

3986611 is an equidigital number, since it uses as much as digits as its factorization.

3986611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 3986611 is about 1996.6499442817. The cubic root of 3986611 is about 158.5627929409.

The spelling of 3986611 in words is "three million, nine hundred eighty-six thousand, six hundred eleven".