3847271904 has 240 divisors, whose sum is σ = 13692859488. Its totient is φ = 1034477568.

The previous prime is 3847271861. The next prime is 3847271917. The reversal of 3847271904 is 4091727483.

It is a super-2 number, since 2×3847271904² = 29603002206615570432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3847271904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 302212 + ... + 314684.

Almost surely, 2^3847271904 is an apocalyptic number.

3847271904 is a gapful number since it is divisible by the number (34) 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 3847271904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6846429744).

3847271904 is an abundant number, since it is smaller than the sum of its proper divisors (9845587584).

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

3847271904 is a wasteful number, since it uses less digits than its factorization.

3847271904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12519 (or 12502 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 3847271904 is about 62026.3807101462. The cubic root of 3847271904 is about 1566.9349241763.

The spelling of 3847271904 in words is "three billion, eight hundred forty-seven million, two hundred seventy-one thousand, nine hundred four".