3984369912 has 112 divisors (see below), whose sum is σ = 11246707680. Its totient is φ = 1322697600.

The previous prime is 3984369911. The next prime is 3984369913. The reversal of 3984369912 is 2199634893.

It is an interprime number because it is at equal distance from previous prime (3984369911) and next prime (3984369913).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984369911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1579212 + ... + 1581732.

Almost surely, 2^3984369912 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 3984369912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5623353840).

3984369912 is an abundant number, since it is smaller than the sum of its proper divisors (7262337768).

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

3984369912 is a wasteful number, since it uses less digits than its factorization.

3984369912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2797 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 3984369912 is about 63121.8655617845. The cubic root of 3984369912 is about 1585.3307515294.

The spelling of 3984369912 in words is "three billion, nine hundred eighty-four million, three hundred sixty-nine thousand, nine hundred twelve".