3789444816 has 80 divisors (see below), whose sum is σ = 11449614400. Its totient is φ = 1196664192.

The previous prime is 3789444781. The next prime is 3789444821. The reversal of 3789444816 is 6184449873.

3789444816 is a `hidden beast` number, since 3 + 78 + 94 + 4 + 481 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 222631 + ... + 239046.

It is an arithmetic number, because the mean of its divisors is an integer number (143120180).

Almost surely, 2^3789444816 is an apocalyptic number.

3789444816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3789444816 is an abundant number, since it is smaller than the sum of its proper divisors (7660169584).

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

3789444816 is a wasteful number, since it uses less digits than its factorization.

3789444816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461713 (or 461701 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 3789444816 is about 61558.4666475701. The cubic root of 3789444816 is about 1559.0445628817.

The spelling of 3789444816 in words is "three billion, seven hundred eighty-nine million, four hundred forty-four thousand, eight hundred sixteen".