3785205 has 16 divisors (see below), whose sum is σ = 6084864. Its totient is φ = 2009280.

The previous prime is 3785191. The next prime is 3785209. The reversal of 3785205 is 5025873.

It is a happy number.

It is not a de Polignac number, because 3785205 - 2¹³ = 3777013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3700 + ... + 4610.

It is an arithmetic number, because the mean of its divisors is an integer number (380304).

Almost surely, 2^3785205 is an apocalyptic number.

It is an amenable number.

3785205 is a deficient number, since it is larger than the sum of its proper divisors (2299659).

3785205 is a wasteful number, since it uses less digits than its factorization.

3785205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 3785205 is about 1945.5603305989. The cubic root of 3785205 is about 155.8462900822.

The spelling of 3785205 in words is "three million, seven hundred eighty-five thousand, two hundred five".