2004994 has 12 divisors (see below), whose sum is σ = 3175254. Its totient is φ = 949392.

The previous prime is 2004991. The next prime is 2005001. The reversal of 2004994 is 4994002.

It can be written as a sum of positive squares in only one way, i.e., 1923769 + 81225 = 1387^2 + 285^2 .

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 5 ways as a sum of consecutive naturals, for example, 667 + ... + 2110.

2^2004994 is an apocalyptic number.

2004994 is a deficient number, since it is larger than the sum of its proper divisors (1170260).

2004994 is a wasteful number, since it uses less digits than its factorization.

2004994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2004994 is about 1415.9781071754. The cubic root of 2004994 is about 126.0968852544.

Adding to 2004994 its reverse (4994002), we get a palindrome (6998996).

The spelling of 2004994 in words is "two million, four thousand, nine hundred ninety-four".