2004999 has 8 divisors (see below), whose sum is σ = 2683632. Its totient is φ = 1331520.

The previous prime is 2004991. The next prime is 2005001. The reversal of 2004999 is 9994002.

It is a happy number.

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

It is not a de Polignac number, because 2004999 - 2³ = 2004991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004991) 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, 262 + ... + 2019.

It is an arithmetic number, because the mean of its divisors is an integer number (335454).

2^2004999 is an apocalyptic number.

2004999 is a deficient number, since it is larger than the sum of its proper divisors (678633).

2004999 is a wasteful number, since it uses less digits than its factorization.

2004999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2004999 is about 1415.9798727383. The cubic root of 2004999 is about 126.0969900733.

It can be divided in two parts, 2004 and 999, that added together give a palindrome (3003).

The spelling of 2004999 in words is "two million, four thousand, nine hundred ninety-nine".