3685895 has 4 divisors (see below), whose sum is σ = 4423080. Its totient is φ = 2948712.

The previous prime is 3685883. The next prime is 3685949. The reversal of 3685895 is 5985863.

3685895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5985863 = 13 ⋅460451.

It is a cyclic number.

It is not a de Polignac number, because 3685895 - 2⁴ = 3685879 is a prime.

It is a zygodrome in base 2.

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 in 3 ways as a sum of consecutive naturals, for example, 368585 + ... + 368594.

It is an arithmetic number, because the mean of its divisors is an integer number (1105770).

Almost surely, 2^3685895 is an apocalyptic number.

3685895 is a deficient number, since it is larger than the sum of its proper divisors (737185).

3685895 is an equidigital number, since it uses as much as digits as its factorization.

3685895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737184.

The product of its digits is 259200, while the sum is 44.

The square root of 3685895 is about 1919.8684850791. The cubic root of 3685895 is about 154.4712472197.

Subtracting 3685895 from its reverse (5985863), we obtain a cube (2299968 = 132³).

The spelling of 3685895 in words is "three million, six hundred eighty-five thousand, eight hundred ninety-five".