3686925 has 48 divisors (see below), whose sum is σ = 6874560. Its totient is φ = 1728000.

The previous prime is 3686867. The next prime is 3686927. The reversal of 3686925 is 5296863.

It is not a de Polignac number, because 3686925 - 2⁷ = 3686797 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 6² + 8³ + 6⁵ + 9² + 2¹⁷ + 5⁹ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33771 + ... + 33879.

It is an arithmetic number, because the mean of its divisors is an integer number (143220).

Almost surely, 2^3686925 is an apocalyptic number.

It is an amenable number.

3686925 is a deficient number, since it is larger than the sum of its proper divisors (3187635).

3686925 is a wasteful number, since it uses less digits than its factorization.

3686925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 169 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 3686925 is about 1920.1367138826. The cubic root of 3686925 is about 154.4856345500.

The spelling of 3686925 in words is "three million, six hundred eighty-six thousand, nine hundred twenty-five".