3861423984 has 160 divisors (see below), whose sum is σ = 11287848960. Its totient is φ = 1126886400.

The previous prime is 3861423983. The next prime is 3861423991. The reversal of 3861423984 is 4893241683.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861423983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4402554 + ... + 4403430.

It is an arithmetic number, because the mean of its divisors is an integer number (70549056).

Almost surely, 2^3861423984 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 3861423984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5643924480).

3861423984 is an abundant number, since it is smaller than the sum of its proper divisors (7426424976).

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

3861423984 is a wasteful number, since it uses less digits than its factorization.

3861423984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1193 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 3861423984 is about 62140.3571280372. The cubic root of 3861423984 is about 1568.8538816327.

The spelling of 3861423984 in words is "three billion, eight hundred sixty-one million, four hundred twenty-three thousand, nine hundred eighty-four".