2001329984 has 14 divisors (see below), whose sum is σ = 3971389314. Its totient is φ = 1000664960.

The previous prime is 2001329959. The next prime is 2001329987. The reversal of 2001329984 is 4899231002.

It can be written as a sum of positive squares in only one way, i.e., 1791659584 + 209670400 = 42328^2 + 14480^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001329987) 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, 15635327 + ... + 15635454.

Almost surely, 2^2001329984 is an apocalyptic number.

It is an amenable number.

2001329984 is a deficient number, since it is larger than the sum of its proper divisors (1970059330).

2001329984 is an equidigital number, since it uses as much as digits as its factorization.

2001329984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31270793 (or 31270783 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2001329984 is about 44736.2267519289. The cubic root of 2001329984 is about 1260.2002671512.

The spelling of 2001329984 in words is "two billion, one million, three hundred twenty-nine thousand, nine hundred eighty-four".