3915885 has 8 divisors (see below), whose sum is σ = 6265440. Its totient is φ = 2088464.

The previous prime is 3915853. The next prime is 3915887. The reversal of 3915885 is 5885193.

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

It is a cyclic number.

It is not a de Polignac number, because 3915885 - 2⁵ = 3915853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130515 + ... + 130544.

It is an arithmetic number, because the mean of its divisors is an integer number (783180).

Almost surely, 2^3915885 is an apocalyptic number.

It is an amenable number.

3915885 is a deficient number, since it is larger than the sum of its proper divisors (2349555).

3915885 is a wasteful number, since it uses less digits than its factorization.

3915885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261067.

The product of its digits is 43200, while the sum is 39.

The square root of 3915885 is about 1978.8595200266. The cubic root of 3915885 is about 157.6195112066.

The spelling of 3915885 in words is "three million, nine hundred fifteen thousand, eight hundred eighty-five".