2001384887 has 4 divisors (see below), whose sum is σ = 2039146920. Its totient is φ = 1963622856.

The previous prime is 2001384881. The next prime is 2001384901. The reversal of 2001384887 is 7884831002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7884831002 = 2 ⋅3942415501.

It is a cyclic number.

It is not a de Polignac number, because 2001384887 - 2⁸ = 2001384631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001384881) 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, 18880937 + ... + 18881042.

It is an arithmetic number, because the mean of its divisors is an integer number (509786730).

Almost surely, 2^2001384887 is an apocalyptic number.

2001384887 is a deficient number, since it is larger than the sum of its proper divisors (37762033).

2001384887 is an equidigital number, since it uses as much as digits as its factorization.

2001384887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37762032.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 2001384887 is about 44736.8403779257. The cubic root of 2001384887 is about 1260.2117908451.

The spelling of 2001384887 in words is "two billion, one million, three hundred eighty-four thousand, eight hundred eighty-seven".