3885855 has 16 divisors (see below), whose sum is σ = 6432480. Its totient is φ = 2000768.

The previous prime is 3885841. The next prime is 3885859. The reversal of 3885855 is 5585883.

It is not a de Polignac number, because 3885855 - 2⁷ = 3885727 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4032 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (402030).

Almost surely, 2^3885855 is an apocalyptic number.

3885855 is a deficient number, since it is larger than the sum of its proper divisors (2546625).

3885855 is a wasteful number, since it uses less digits than its factorization.

3885855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970.

The product of its digits is 192000, while the sum is 42.

The square root of 3885855 is about 1971.2572130496. The cubic root of 3885855 is about 157.2155612019.

The spelling of 3885855 in words is "three million, eight hundred eighty-five thousand, eight hundred fifty-five".