2004993 has 24 divisors (see below), whose sum is σ = 3098368. Its totient is φ = 1294704.

The previous prime is 2004991. The next prime is 2005001. The reversal of 2004993 is 3994002.

It is not a de Polignac number, because 2004993 - 2¹ = 2004991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 8880 + ... + 9102.

It is a Proth number, since it is equal to 979 ⋅ 2¹¹ + 1 and 979 < 2¹¹.

2^2004993 is an apocalyptic number.

It is an amenable number.

2004993 is a deficient number, since it is larger than the sum of its proper divisors (1093375).

2004993 is an equidigital number, since it uses as much as digits as its factorization.

2004993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2004993 is about 1415.9777540625. The cubic root of 2004993 is about 126.0968642906.

Adding to 2004993 its reverse (3994002), we get a palindrome (5998995).

The spelling of 2004993 in words is "two million, four thousand, nine hundred ninety-three".