3943884788 has 12 divisors (see below), whose sum is σ = 6905043012. Its totient is φ = 1971015360.

The previous prime is 3943884781. The next prime is 3943884803. The reversal of 3943884788 is 8874883493.

It can be written as a sum of positive squares in 2 ways, for example, as 874503184 + 3069381604 = 29572^2 + 55402^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3943884788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943884781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 222143 + ... + 239238.

It is an arithmetic number, because the mean of its divisors is an integer number (575420251).

Almost surely, 2^3943884788 is an apocalyptic number.

It is an amenable number.

3943884788 is a deficient number, since it is larger than the sum of its proper divisors (2961158224).

3943884788 is a wasteful number, since it uses less digits than its factorization.

3943884788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463522 (or 463520 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 62.

The square root of 3943884788 is about 62800.3565913443. The cubic root of 3943884788 is about 1579.9429541974.

The spelling of 3943884788 in words is "three billion, nine hundred forty-three million, eight hundred eighty-four thousand, seven hundred eighty-eight".