3939808 has 48 divisors (see below), whose sum is σ = 8328096. Its totient is φ = 1830400.

The previous prime is 3939791. The next prime is 3939811. The reversal of 3939808 is 8089393.

3939808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 38958 + ... + 39058.

It is an arithmetic number, because the mean of its divisors is an integer number (173502).

Almost surely, 2^3939808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3939808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4164048).

3939808 is an abundant number, since it is smaller than the sum of its proper divisors (4388288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3939808 is a wasteful number, since it uses less digits than its factorization.

3939808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 3939808 is about 1984.8949594374. The cubic root of 3939808 is about 157.9398371594.

It can be divided in two parts, 393 and 9808, that added together give a palindrome (10201).

The spelling of 3939808 in words is "three million, nine hundred thirty-nine thousand, eight hundred eight".