3847138704 has 30 divisors (see below), whose sum is σ = 10766645526. Its totient is φ = 1282379520.

The previous prime is 3847138699. The next prime is 3847138733. The reversal of 3847138704 is 4078317483.

3847138704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3788156304 + 58982400 = 61548^2 + 7680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3847138704.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13357977 + ... + 13358264.

Almost surely, 2^3847138704 is an apocalyptic number.

It is an amenable number.

3847138704 is an abundant number, since it is smaller than the sum of its proper divisors (6919506822).

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

3847138704 is a wasteful number, since it uses less digits than its factorization.

3847138704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26716255 (or 26716246 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 3847138704 is about 62025.3069641739. The cubic root of 3847138704 is about 1566.9168405276.

The spelling of 3847138704 in words is "three billion, eight hundred forty-seven million, one hundred thirty-eight thousand, seven hundred four".