3960447836 has 6 divisors (see below), whose sum is σ = 6930783720. Its totient is φ = 1980223916.

The previous prime is 3960447833. The next prime is 3960447851. The reversal of 3960447836 is 6387440693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960447833) by changing a digit.

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 as a sum of consecutive naturals, namely, 495055976 + ... + 495055983.

It is an arithmetic number, because the mean of its divisors is an integer number (1155130620).

Almost surely, 2^3960447836 is an apocalyptic number.

It is an amenable number.

3960447836 is a deficient number, since it is larger than the sum of its proper divisors (2970335884).

3960447836 is a wasteful number, since it uses less digits than its factorization.

3960447836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990111963 (or 990111961 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 50.

The square root of 3960447836 is about 62932.0890802141. The cubic root of 3960447836 is about 1582.1516159857.

The spelling of 3960447836 in words is "three billion, nine hundred sixty million, four hundred forty-seven thousand, eight hundred thirty-six".