3945185 has 8 divisors (see below), whose sum is σ = 4746816. Its totient is φ = 3147760.

The previous prime is 3945163. The next prime is 3945203. The reversal of 3945185 is 5815493.

3945185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3945185 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1652 + ... + 3258.

It is an arithmetic number, because the mean of its divisors is an integer number (593352).

Almost surely, 2^3945185 is an apocalyptic number.

It is an amenable number.

3945185 is a deficient number, since it is larger than the sum of its proper divisors (801631).

3945185 is a wasteful number, since it uses less digits than its factorization.

3945185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103.

The product of its digits is 21600, while the sum is 35.

The square root of 3945185 is about 1986.2489773440. The cubic root of 3945185 is about 158.0116559259.

The spelling of 3945185 in words is "three million, nine hundred forty-five thousand, one hundred eighty-five".