3847719140 has 48 divisors (see below), whose sum is σ = 8573040000. Its totient is φ = 1445586432.

The previous prime is 3847719121. The next prime is 3847719149. The reversal of 3847719140 is 419177483.

3847719140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3847719091 and 3847719100.

It is not an unprimeable number, because it can be changed into a prime (3847719149) 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, 158321 + ... + 180999.

It is an arithmetic number, because the mean of its divisors is an integer number (178605000).

Almost surely, 2^3847719140 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 3847719140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4286520000).

3847719140 is an abundant number, since it is smaller than the sum of its proper divisors (4725320860).

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

3847719140 is a wasteful number, since it uses less digits than its factorization.

3847719140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23204 (or 23202 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 3847719140 is about 62029.9858133145. The cubic root of 3847719140 is about 1566.9956392814.

The spelling of 3847719140 in words is "three billion, eight hundred forty-seven million, seven hundred nineteen thousand, one hundred forty".