3870885 has 16 divisors (see below), whose sum is σ = 6238080. Its totient is φ = 2049600.

The previous prime is 3870869. The next prime is 3870899. The reversal of 3870885 is 5880783.

It is not a de Polignac number, because 3870885 - 2⁴ = 3870869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1411 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (389880).

Almost surely, 2^3870885 is an apocalyptic number.

It is an amenable number.

3870885 is a deficient number, since it is larger than the sum of its proper divisors (2367195).

3870885 is a wasteful number, since it uses less digits than its factorization.

3870885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 3870885 is about 1967.4564798236. The cubic root of 3870885 is about 157.0134138674.

The spelling of 3870885 in words is "three million, eight hundred seventy thousand, eight hundred eighty-five".