3806819820884 has 48 divisors (see below), whose sum is σ = 7110536529600. Its totient is φ = 1780052064000.

The previous prime is 3806819820809. The next prime is 3806819820931. The reversal of 3806819820884 is 4880289186083.

It is a self number, because there is not a number n which added to its sum of digits gives 3806819820884.

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 15 ways as a sum of consecutive naturals, for example, 2218142 + ... + 3540309.

It is an arithmetic number, because the mean of its divisors is an integer number (148136177700).

Almost surely, 2^{3806819820884} is an apocalyptic number.

It is an amenable number.

3806819820884 is a deficient number, since it is larger than the sum of its proper divisors (3303716708716).

3806819820884 is a wasteful number, since it uses less digits than its factorization.

3806819820884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758664 (or 5758662 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 65.

The spelling of 3806819820884 in words is "three trillion, eight hundred six billion, eight hundred nineteen million, eight hundred twenty thousand, eight hundred eighty-four".