3847683840 has 972 divisors, whose sum is σ = 17014129272. Its totient is φ = 738017280.

The previous prime is 3847683803. The next prime is 3847683857. The reversal of 3847683840 is 483867483.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 295975674 + ... + 295975686.

Almost surely, 2^3847683840 is an apocalyptic number.

3847683840 is a gapful number since it is divisible by the number (30) 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 3847683840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8507064636).

3847683840 is an abundant number, since it is smaller than the sum of its proper divisors (13166445432).

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

3847683840 is a wasteful number, since it uses less digits than its factorization.

3847683840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The square root of 3847683840 is about 62029.7012728580. The cubic root of 3847683840 is about 1566.9908472550.

The spelling of 3847683840 in words is "three billion, eight hundred forty-seven million, six hundred eighty-three thousand, eight hundred forty".