3998037319236 has 192 divisors, whose sum is σ = 10881058406400. Its totient is φ = 1267086091392.

The previous prime is 3998037319231. The next prime is 3998037319291. The reversal of 3998037319236 is 6329137308993.

3998037319236 is a `hidden beast` number, since 3 + 9 + 9 + 80 + 3 + 7 + 319 + 236 = 666.

It is not an unprimeable number, because it can be changed into a prime (3998037319231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 282679581 + ... + 282693723.

It is an arithmetic number, because the mean of its divisors is an integer number (56672179200).

Almost surely, 2^{3998037319236} is an apocalyptic number.

3998037319236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3998037319236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5440529203200).

3998037319236 is an abundant number, since it is smaller than the sum of its proper divisors (6883021087164).

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

3998037319236 is a wasteful number, since it uses less digits than its factorization.

3998037319236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855 (or 14847 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 63.

The spelling of 3998037319236 in words is "three trillion, nine hundred ninety-eight billion, thirty-seven million, three hundred nineteen thousand, two hundred thirty-six".