3986207 has 2 divisors, whose sum is σ = 3986208. Its totient is φ = 3986206.

The previous prime is 3986201. The next prime is 3986209. The reversal of 3986207 is 7026893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3986207 - 2⁸ = 3985951 is a prime.

Together with 3986209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3986201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993103 + 1993104.

It is an arithmetic number, because the mean of its divisors is an integer number (1993104).

Almost surely, 2^3986207 is an apocalyptic number.

3986207 is a deficient number, since it is larger than the sum of its proper divisors (1).

3986207 is an equidigital number, since it uses as much as digits as its factorization.

3986207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3986207 is about 1996.5487722568. The cubic root of 3986207 is about 158.5574365507.

The spelling of 3986207 in words is "three million, nine hundred eighty-six thousand, two hundred seven".