3864488067846 has 128 divisors (see below), whose sum is σ = 10343915136000. Its totient is φ = 1044732287232.

The previous prime is 3864488067779. The next prime is 3864488067851. The reversal of 3864488067846 is 6487608844683.

3864488067846 is a `hidden beast` number, since 3 + 8 + 6 + 4 + 488 + 0 + 67 + 84 + 6 = 666.

It is a super-2 number, since 2×3864488067846² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 5477680 + ... + 6142796.

It is an arithmetic number, because the mean of its divisors is an integer number (80811837000).

Almost surely, 2^{3864488067846} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3864488067846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5171957568000).

3864488067846 is an abundant number, since it is smaller than the sum of its proper divisors (6479427068154).

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

3864488067846 is a wasteful number, since it uses less digits than its factorization.

3864488067846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665963 (or 665957 counting only the distinct ones).

The product of its (nonzero) digits is 1189085184, while the sum is 72.

The spelling of 3864488067846 in words is "three trillion, eight hundred sixty-four billion, four hundred eighty-eight million, sixty-seven thousand, eight hundred forty-six".