3847864320 has 360 divisors, whose sum is σ = 14169499344. Its totient is φ = 962592768.

The previous prime is 3847864271. The next prime is 3847864379. The reversal of 3847864320 is 234687483.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 12533607 + ... + 12533913.

Almost surely, 2^3847864320 is an apocalyptic number.

3847864320 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 3847864320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7084749672).

3847864320 is an abundant number, since it is smaller than the sum of its proper divisors (10321635024).

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

3847864320 is a wasteful number, since it uses less digits than its factorization.

3847864320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 3847864320 is about 62031.1560427500. The cubic root of 3847864320 is about 1567.0153473697.

The spelling of 3847864320 in words is "three billion, eight hundred forty-seven million, eight hundred sixty-four thousand, three hundred twenty".