3686069 has 4 divisors (see below), whose sum is σ = 3764544. Its totient is φ = 3607596.

The previous prime is 3686063. The next prime is 3686071. The reversal of 3686069 is 9606863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3686069 - 2²⁰ = 2637493 is a prime.

It is a super-2 number, since 2×3686069² = 27174209345522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686063) 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 in 3 ways as a sum of consecutive naturals, for example, 39167 + ... + 39260.

It is an arithmetic number, because the mean of its divisors is an integer number (941136).

Almost surely, 2^3686069 is an apocalyptic number.

It is an amenable number.

3686069 is a deficient number, since it is larger than the sum of its proper divisors (78475).

3686069 is an equidigital number, since it uses as much as digits as its factorization.

3686069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78474.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 3686069 is about 1919.9138001483. The cubic root of 3686069 is about 154.4736778889.

The spelling of 3686069 in words is "three million, six hundred eighty-six thousand, sixty-nine".