2004558 has 8 divisors (see below), whose sum is σ = 4009128. Its totient is φ = 668184.

The previous prime is 2004539. The next prime is 2004559. The reversal of 2004558 is 8554002.

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

2004558 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167041 + ... + 167052.

It is an arithmetic number, because the mean of its divisors is an integer number (501141).

2^2004558 is an apocalyptic number.

2004558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2004558 is a wasteful number, since it uses less digits than its factorization.

2004558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334098.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2004558 is about 1415.8241416221. The cubic root of 2004558 is about 126.0877443746.

The spelling of 2004558 in words is "two million, four thousand, five hundred fifty-eight".