3984085986369 has 8 divisors (see below), whose sum is σ = 5341791267360. Its totient is φ = 2641219014816.

The previous prime is 3984085986367. The next prime is 3984085986407. The reversal of 3984085986369 is 9636895804893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3984085986369 - 2¹ = 3984085986367 is a prime.

It is a super-2 number, since 2×3984085986369² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3984085986294 and 3984085986303.

It is not an unprimeable number, because it can be changed into a prime (3984085986367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3709576732 + ... + 3709577805.

It is an arithmetic number, because the mean of its divisors is an integer number (667723908420).

Almost surely, 2^{3984085986369} is an apocalyptic number.

It is an amenable number.

3984085986369 is a deficient number, since it is larger than the sum of its proper divisors (1357705280991).

3984085986369 is a wasteful number, since it uses less digits than its factorization.

3984085986369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419154719.

The product of its (nonzero) digits is 2418647040, while the sum is 78.

The spelling of 3984085986369 in words is "three trillion, nine hundred eighty-four billion, eighty-five million, nine hundred eighty-six thousand, three hundred sixty-nine".