3685856 has 12 divisors (see below), whose sum is σ = 7256592. Its totient is φ = 1842912.

The previous prime is 3685849. The next prime is 3685861. The reversal of 3685856 is 6585863.

3685856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57560 + ... + 57623.

It is an arithmetic number, because the mean of its divisors is an integer number (604716).

Almost surely, 2^3685856 is an apocalyptic number.

It is an amenable number.

3685856 is a deficient number, since it is larger than the sum of its proper divisors (3570736).

3685856 is a wasteful number, since it uses less digits than its factorization.

3685856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115193 (or 115185 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 3685856 is about 1919.8583281065. The cubic root of 3685856 is about 154.4707024040.

The spelling of 3685856 in words is "three million, six hundred eighty-five thousand, eight hundred fifty-six".