3896446984 has 16 divisors (see below), whose sum is σ = 7307114220. Its totient is φ = 1947883200.

The previous prime is 3896446913. The next prime is 3896446987. The reversal of 3896446984 is 4896446983.

It can be written as a sum of positive squares in 2 ways, for example, as 3201070084 + 695376900 = 56578^2 + 26370^2 .

It is not an unprimeable number, because it can be changed into a prime (3896446987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9934 + ... + 88834.

Almost surely, 2^3896446984 is an apocalyptic number.

It is an amenable number.

3896446984 is a deficient number, since it is larger than the sum of its proper divisors (3410667236).

3896446984 is a wasteful number, since it uses less digits than its factorization.

3896446984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85080 (or 85076 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 61.

The square root of 3896446984 is about 62421.5266074132. The cubic root of 3896446984 is about 1573.5827659611.

Subtracting 3896446984 from its reverse (4896446983), we obtain a palindrome (999999999).

The spelling of 3896446984 in words is "three billion, eight hundred ninety-six million, four hundred forty-six thousand, nine hundred eighty-four".