3939113808 has 80 divisors (see below), whose sum is σ = 12921970560. Its totient is φ = 1125460224.

The previous prime is 3939113803. The next prime is 3939113813. The reversal of 3939113808 is 8083119393.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3939113803) and next prime (3939113813).

It is a super-4 number, since 4×3939113808⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939113803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648285 + ... + 654332.

It is an arithmetic number, because the mean of its divisors is an integer number (161524632).

Almost surely, 2^3939113808 is an apocalyptic number.

It is an amenable number.

3939113808 is an abundant number, since it is smaller than the sum of its proper divisors (8982856752).

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

3939113808 is a wasteful number, since it uses less digits than its factorization.

3939113808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302641 (or 1302629 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 3939113808 is about 62762.3598026715. The cubic root of 3939113808 is about 1579.3056031042.

The spelling of 3939113808 in words is "three billion, nine hundred thirty-nine million, one hundred thirteen thousand, eight hundred eight".