3840885 has 32 divisors (see below), whose sum is σ = 7130880. Its totient is φ = 1957824.

The previous prime is 3840853. The next prime is 3840911. The reversal of 3840885 is 5880483.

It is not a de Polignac number, because 3840885 - 2⁵ = 3840853 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2487 + ... + 3723.

It is an arithmetic number, because the mean of its divisors is an integer number (222840).

Almost surely, 2^3840885 is an apocalyptic number.

It is an amenable number.

3840885 is a deficient number, since it is larger than the sum of its proper divisors (3289995).

3840885 is a wasteful number, since it uses less digits than its factorization.

3840885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 3840885 is about 1959.8175935530. The cubic root of 3840885 is about 156.6067347847.

The spelling of 3840885 in words is "three million, eight hundred forty thousand, eight hundred eighty-five".