3884215680 has 320 divisors, whose sum is σ = 14324618880. Its totient is φ = 1001963520.

The previous prime is 3884215679. The next prime is 3884215693. The reversal of 3884215680 is 865124883.

3884215680 is a `hidden beast` number, since 3 + 8 + 84 + 2 + 1 + 568 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1605832 + ... + 1608248.

It is an arithmetic number, because the mean of its divisors is an integer number (44764434).

Almost surely, 2^3884215680 is an apocalyptic number.

3884215680 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 3884215680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7162309440).

3884215680 is an abundant number, since it is smaller than the sum of its proper divisors (10440403200).

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

3884215680 is a wasteful number, since it uses less digits than its factorization.

3884215680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 3884215680 is about 62323.4761546562. The cubic root of 3884215680 is about 1571.9344999222.

The spelling of 3884215680 in words is "three billion, eight hundred eighty-four million, two hundred fifteen thousand, six hundred eighty".