3964403907 has 24 divisors (see below), whose sum is σ = 6114925440. Its totient is φ = 2469479040.

The previous prime is 3964403879. The next prime is 3964403921. The reversal of 3964403907 is 7093044693.

It is not a de Polignac number, because 3964403907 - 2⁶ = 3964403843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3964403507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236898 + ... + 253079.

It is an arithmetic number, because the mean of its divisors is an integer number (254788560).

Almost surely, 2^3964403907 is an apocalyptic number.

3964403907 is a deficient number, since it is larger than the sum of its proper divisors (2150521533).

3964403907 is a wasteful number, since it uses less digits than its factorization.

3964403907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490043 (or 490040 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 3964403907 is about 62963.5125052597. The cubic root of 3964403907 is about 1582.6782417174.

The spelling of 3964403907 in words is "three billion, nine hundred sixty-four million, four hundred three thousand, nine hundred seven".