3909379808 has 48 divisors (see below), whose sum is σ = 8108226000. Its totient is φ = 1850314752.

The previous prime is 3909379757. The next prime is 3909379819. The reversal of 3909379808 is 8089739093.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232048 + ... + 1235216.

It is an arithmetic number, because the mean of its divisors is an integer number (168921375).

Almost surely, 2^3909379808 is an apocalyptic number.

3909379808 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3909379808 is an abundant number, since it is smaller than the sum of its proper divisors (4198846192).

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

3909379808 is a wasteful number, since it uses less digits than its factorization.

3909379808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5219 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 3909379808 is about 62525.0334506108. The cubic root of 3909379808 is about 1575.3218199187.

The spelling of 3909379808 in words is "three billion, nine hundred nine million, three hundred seventy-nine thousand, eight hundred eight".