3939786752 has 56 divisors (see below), whose sum is σ = 8595570312. Its totient is φ = 1790771200.

The previous prime is 3939786727. The next prime is 3939786787. The reversal of 3939786752 is 2576879393.

It is a junction number, because it is equal to n+sod(n) for n = 3939786691 and 3939786700.

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 3 ways as a sum of consecutive naturals, for example, 68252 + ... + 111972.

It is an arithmetic number, because the mean of its divisors is an integer number (153492327).

Almost surely, 2^3939786752 is an apocalyptic number.

3939786752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3939786752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4297785156).

3939786752 is an abundant number, since it is smaller than the sum of its proper divisors (4655783560).

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

3939786752 is an equidigital number, since it uses as much as digits as its factorization.

3939786752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43758 (or 43734 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 59.

The square root of 3939786752 is about 62767.7206213512. The cubic root of 3939786752 is about 1579.3955322750.

The spelling of 3939786752 in words is "three billion, nine hundred thirty-nine million, seven hundred eighty-six thousand, seven hundred fifty-two".