2004928321 has 16 divisors (see below), whose sum is σ = 2205785088. Its totient is φ = 1807218000.

The previous prime is 2004928309. The next prime is 2004928327. The reversal of 2004928321 is 1238294002.

It is a cyclic number.

It is not a de Polignac number, because 2004928321 - 2¹⁹ = 2004404033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004928327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465980 + ... + 1467346.

It is an arithmetic number, because the mean of its divisors is an integer number (137861568).

Almost surely, 2^2004928321 is an apocalyptic number.

It is an amenable number.

2004928321 is a deficient number, since it is larger than the sum of its proper divisors (200856767).

2004928321 is a wasteful number, since it uses less digits than its factorization.

2004928321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2004928321 is about 44776.4259516098. The cubic root of 2004928321 is about 1260.9550835792.

The spelling of 2004928321 in words is "two billion, four million, nine hundred twenty-eight thousand, three hundred twenty-one".