2004987 has 8 divisors (see below), whose sum is σ = 2759680. Its totient is φ = 1293480.

The previous prime is 2004983. The next prime is 2004991. The reversal of 2004987 is 7894002.

It is an interprime number because it is at equal distance from previous prime (2004983) and next prime (2004991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2004987 - 2² = 2004983 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 (2004983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10687 + ... + 10872.

It is an arithmetic number, because the mean of its divisors is an integer number (344960).

2^2004987 is an apocalyptic number.

2004987 is a deficient number, since it is larger than the sum of its proper divisors (754693).

2004987 is a wasteful number, since it uses less digits than its factorization.

2004987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21593.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2004987 is about 1415.9756353836. The cubic root of 2004987 is about 126.0967385077.

Adding to 2004987 its reverse (7894002), we get a palindrome (9898989).

The spelling of 2004987 in words is "two million, four thousand, nine hundred eighty-seven".