3936878 has 16 divisors (see below), whose sum is σ = 6490800. Its totient is φ = 1776000.

The previous prime is 3936869. The next prime is 3936883. The reversal of 3936878 is 8786393.

3936878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678 + ... + 3878.

It is an arithmetic number, because the mean of its divisors is an integer number (405675).

Almost surely, 2^3936878 is an apocalyptic number.

3936878 is a deficient number, since it is larger than the sum of its proper divisors (2553922).

3936878 is a wasteful number, since it uses less digits than its factorization.

3936878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its digits is 217728, while the sum is 44.

The square root of 3936878 is about 1984.1567478403. The cubic root of 3936878 is about 157.9006746344.

The spelling of 3936878 in words is "three million, nine hundred thirty-six thousand, eight hundred seventy-eight".