3869645184 has 256 divisors, whose sum is σ = 12416256000. Its totient is φ = 1181952000.

The previous prime is 3869645183. The next prime is 3869645191. The reversal of 3869645184 is 4815469683.

3869645184 is a `hidden beast` number, since 3 + 8 + 69 + 64 + 518 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3869645184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869645183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2034634 + ... + 2036534.

It is an arithmetic number, because the mean of its divisors is an integer number (48501000).

Almost surely, 2^3869645184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869645184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6208128000).

3869645184 is an abundant number, since it is smaller than the sum of its proper divisors (8546610816).

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

3869645184 is a wasteful number, since it uses less digits than its factorization.

3869645184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974 (or 1956 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 3869645184 is about 62206.4722034613. The cubic root of 3869645184 is about 1569.9664866337.

The spelling of 3869645184 in words is "three billion, eight hundred sixty-nine million, six hundred forty-five thousand, one hundred eighty-four".