2004843021 has 8 divisors (see below), whose sum is σ = 2673612000. Its totient is φ = 1336318032.

The previous prime is 2004843013. The next prime is 2004843023. The reversal of 2004843021 is 1203484002.

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

It is not a de Polignac number, because 2004843021 - 2³ = 2004843013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2004842982 and 2004843000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004843023) 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, 40875 + ... + 75368.

It is an arithmetic number, because the mean of its divisors is an integer number (334201500).

Almost surely, 2^2004843021 is an apocalyptic number.

It is an amenable number.

2004843021 is a deficient number, since it is larger than the sum of its proper divisors (668768979).

2004843021 is a wasteful number, since it uses less digits than its factorization.

2004843021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121995.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2004843021 is about 44775.4734313329. The cubic root of 2004843021 is about 1260.9372008128.

The spelling of 2004843021 in words is "two billion, four million, eight hundred forty-three thousand, twenty-one".