3964804384 has 24 divisors (see below), whose sum is σ = 7886186028. Its totient is φ = 1961963520.

The previous prime is 3964804381. The next prime is 3964804387. The reversal of 3964804384 is 4834084693.

It is an interprime number because it is at equal distance from previous prime (3964804381) and next prime (3964804387).

It can be written as a sum of positive squares in 2 ways, for example, as 3901251600 + 63552784 = 62460^2 + 7972^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3964804381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635557 + ... + 641764.

Almost surely, 2^3964804384 is an apocalyptic number.

It is an amenable number.

3964804384 is a deficient number, since it is larger than the sum of its proper divisors (3921381644).

3964804384 is a wasteful number, since it uses less digits than its factorization.

3964804384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277428 (or 1277420 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The square root of 3964804384 is about 62966.6926557208. The cubic root of 3964804384 is about 1582.7315330325.

The spelling of 3964804384 in words is "three billion, nine hundred sixty-four million, eight hundred four thousand, three hundred eighty-four".