2001002984 has 8 divisors (see below), whose sum is σ = 3751880610. Its totient is φ = 1000501488.

The previous prime is 2001002977. The next prime is 2001002989. The reversal of 2001002984 is 4892001002.

It can be written as a sum of positive squares in only one way, i.e., 1326562084 + 674440900 = 36422^2 + 25970^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2001002989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125062679 + ... + 125062694.

Almost surely, 2^2001002984 is an apocalyptic number.

It is an amenable number.

2001002984 is a deficient number, since it is larger than the sum of its proper divisors (1750877626).

2001002984 is a wasteful number, since it uses less digits than its factorization.

2001002984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250125379 (or 250125375 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2001002984 is about 44732.5718464745. The cubic root of 2001002984 is about 1260.1316281401.

Adding to 2001002984 its reverse (4892001002), we get a palindrome (6893003986).

The spelling of 2001002984 in words is "two billion, one million, two thousand, nine hundred eighty-four".