3857785 has 8 divisors (see below), whose sum is σ = 4694976. Its totient is φ = 3042480.

The previous prime is 3857773. The next prime is 3857801. The reversal of 3857785 is 5877583.

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

It is not a de Polignac number, because 3857785 - 2¹⁹ = 3333497 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5079 + ... + 5788.

It is an arithmetic number, because the mean of its divisors is an integer number (586872).

Almost surely, 2^3857785 is an apocalyptic number.

It is an amenable number.

3857785 is a deficient number, since it is larger than the sum of its proper divisors (837191).

3857785 is a wasteful number, since it uses less digits than its factorization.

3857785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10943.

The product of its digits is 235200, while the sum is 43.

The square root of 3857785 is about 1964.1244868898. The cubic root of 3857785 is about 156.8360900414.

The spelling of 3857785 in words is "three million, eight hundred fifty-seven thousand, seven hundred eighty-five".