3986819828852 has 24 divisors (see below), whose sum is σ = 8052586590720. Its totient is φ = 1691719869600.

The previous prime is 3986819828821. The next prime is 3986819828863. The reversal of 3986819828852 is 2588289186893.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 704880452 + ... + 704886107.

It is an arithmetic number, because the mean of its divisors is an integer number (335524441280).

Almost surely, 2^{3986819828852} is an apocalyptic number.

It is an amenable number.

3986819828852 is an abundant number, since it is smaller than the sum of its proper divisors (4065766761868).

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

3986819828852 is a wasteful number, since it uses less digits than its factorization.

3986819828852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409766671 (or 1409766669 counting only the distinct ones).

The product of its digits is 955514880, while the sum is 77.

The spelling of 3986819828852 in words is "three trillion, nine hundred eighty-six billion, eight hundred nineteen million, eight hundred twenty-eight thousand, eight hundred fifty-two".