3686686548 has 12 divisors (see below), whose sum is σ = 8602268640. Its totient is φ = 1228895512.

The previous prime is 3686686513. The next prime is 3686686609. The reversal of 3686686548 is 8456866863.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3686686491 and 3686686500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153611928 + ... + 153611951.

It is an arithmetic number, because the mean of its divisors is an integer number (716855720).

Almost surely, 2^3686686548 is an apocalyptic number.

It is an amenable number.

3686686548 is an abundant number, since it is smaller than the sum of its proper divisors (4915582092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3686686548 is a wasteful number, since it uses less digits than its factorization.

3686686548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307223886 (or 307223884 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 60.

The square root of 3686686548 is about 60718.0907802609. The cubic root of 3686686548 is about 1544.8230402365.

The spelling of 3686686548 in words is "three billion, six hundred eighty-six million, six hundred eighty-six thousand, five hundred forty-eight".