3964004008 has 8 divisors (see below), whose sum is σ = 7432507530. Its totient is φ = 1982002000.

The previous prime is 3964003993. The next prime is 3964004021. The reversal of 3964004008 is 8004004693.

3964004008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2712118084 + 1251885924 = 52078^2 + 35382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247750243 + ... + 247750258.

Almost surely, 2^3964004008 is an apocalyptic number.

It is an amenable number.

3964004008 is a deficient number, since it is larger than the sum of its proper divisors (3468503522).

3964004008 is a wasteful number, since it uses less digits than its factorization.

3964004008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495500507 (or 495500503 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3964004008 is about 62960.3367843597. The cubic root of 3964004008 is about 1582.6250237353.

The spelling of 3964004008 in words is "three billion, nine hundred sixty-four million, four thousand, eight".