3686827 has 4 divisors (see below), whose sum is σ = 3698920. Its totient is φ = 3674736.

The previous prime is 3686801. The next prime is 3686833. The reversal of 3686827 is 7286863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7286863 = 17 ⋅428639.

It is a cyclic number.

It is not a de Polignac number, because 3686827 - 2¹⁹ = 3162539 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3686827.

It is not an unprimeable number, because it can be changed into a prime (3686867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5577 + ... + 6202.

It is an arithmetic number, because the mean of its divisors is an integer number (924730).

Almost surely, 2^3686827 is an apocalyptic number.

3686827 is a deficient number, since it is larger than the sum of its proper divisors (12093).

3686827 is a wasteful number, since it uses less digits than its factorization.

3686827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092.

The product of its digits is 96768, while the sum is 40.

The square root of 3686827 is about 1920.1111946968. Note that the first 4 decimals coincide. The cubic root of 3686827 is about 154.4842657737.

The spelling of 3686827 in words is "three million, six hundred eighty-six thousand, eight hundred twenty-seven".