3821973144 has 64 divisors (see below), whose sum is σ = 10487629440. Its totient is φ = 1151055360.

The previous prime is 3821973143. The next prime is 3821973157. The reversal of 3821973144 is 4413791283.

It is a junction number, because it is equal to n+sod(n) for n = 3821973096 and 3821973105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821973143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377 + ... + 87440.

It is an arithmetic number, because the mean of its divisors is an integer number (163869210).

Almost surely, 2^3821973144 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 3821973144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5243814720).

3821973144 is an abundant number, since it is smaller than the sum of its proper divisors (6665656296).

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

3821973144 is a wasteful number, since it uses less digits than its factorization.

3821973144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89000 (or 88996 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 3821973144 is about 61822.1088608275. The cubic root of 3821973144 is about 1563.4927690161.

The spelling of 3821973144 in words is "three billion, eight hundred twenty-one million, nine hundred seventy-three thousand, one hundred forty-four".