2004549 has 8 divisors (see below), whose sum is σ = 2745120. Its totient is φ = 1300176.

The previous prime is 2004539. The next prime is 2004559. The reversal of 2004549 is 9454002.

It is an interprime number because it is at equal distance from previous prime (2004539) and next prime (2004559).

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

It is not a de Polignac number, because 2004549 - 2⁷ = 2004421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8919 + ... + 9140.

It is an arithmetic number, because the mean of its divisors is an integer number (343140).

2^2004549 is an apocalyptic number.

It is an amenable number.

2004549 is a deficient number, since it is larger than the sum of its proper divisors (740571).

2004549 is a wasteful number, since it uses less digits than its factorization.

2004549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18099.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2004549 is about 1415.8209632577. The cubic root of 2004549 is about 126.0875556728.

The spelling of 2004549 in words is "two million, four thousand, five hundred forty-nine".