3990838436216 has 64 divisors (see below), whose sum is σ = 7555630104000. Its totient is φ = 1976110409728.

The previous prime is 3990838436201. The next prime is 3990838436231. The reversal of 3990838436216 is 6126348380993.

It is an interprime number because it is at equal distance from previous prime (3990838436201) and next prime (3990838436231).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618827360 + ... + 618833808.

It is an arithmetic number, because the mean of its divisors is an integer number (118056720375).

Almost surely, 2^{3990838436216} is an apocalyptic number.

It is an amenable number.

3990838436216 is a deficient number, since it is larger than the sum of its proper divisors (3564791667784).

3990838436216 is a wasteful number, since it uses less digits than its factorization.

3990838436216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408 (or 8404 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 62.

The spelling of 3990838436216 in words is "three trillion, nine hundred ninety billion, eight hundred thirty-eight million, four hundred thirty-six thousand, two hundred sixteen".