3686867 has 2 divisors, whose sum is σ = 3686868. Its totient is φ = 3686866.

The previous prime is 3686849. The next prime is 3686927. The reversal of 3686867 is 7686863.

It is a weak prime.

It is an emirp because it is prime and its reverse (7686863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3686867 - 2¹⁴ = 3670483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3686167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843433 + 1843434.

It is an arithmetic number, because the mean of its divisors is an integer number (1843434).

Almost surely, 2^3686867 is an apocalyptic number.

3686867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686867 is an equidigital number, since it uses as much as digits as its factorization.

3686867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 3686867 is about 1920.1216107320. The cubic root of 3686867 is about 154.4848244609.

The spelling of 3686867 in words is "three million, six hundred eighty-six thousand, eight hundred sixty-seven".