3984515386198 has 4 divisors (see below), whose sum is σ = 5976773079300. Its totient is φ = 1992257693098.

The previous prime is 3984515386169. The next prime is 3984515386199. The reversal of 3984515386198 is 8916835154893.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984515386199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996128846548 + ... + 996128846551.

It is an arithmetic number, because the mean of its divisors is an integer number (1494193269825).

Almost surely, 2^{3984515386198} is an apocalyptic number.

3984515386198 is a deficient number, since it is larger than the sum of its proper divisors (1992257693102).

3984515386198 is a wasteful number, since it uses less digits than its factorization.

3984515386198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992257693101.

The product of its digits is 223948800, while the sum is 70.

The spelling of 3984515386198 in words is "three trillion, nine hundred eighty-four billion, five hundred fifteen million, three hundred eighty-six thousand, one hundred ninety-eight".