5804821 has 16 divisors (see below), whose sum is σ = 6624576. Its totient is φ = 5040000.

The previous prime is 5804807. The next prime is 5804831. The reversal of 5804821 is 1284085.

5804821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a 4-Lehmer number, since φ(5804821) divides (5804821-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 5804821 - 2⁷ = 5804693 is a prime.

It is a deceptive number, since it divides R_5804820.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5804821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5804831) 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, 27406 + ... + 27616.

It is an arithmetic number, because the mean of its divisors is an integer number (414036).

It is a Poulet number, since it divides 2^5804820-1.

Almost surely, 2^5804821 is an apocalyptic number.

It is an amenable number.

5804821 is a deficient number, since it is larger than the sum of its proper divisors (819755).

5804821 is a wasteful number, since it uses less digits than its factorization.

5804821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 5804821 is about 2409.3196135009. The cubic root of 5804821 is about 179.7199451582.

The spelling of 5804821 in words is "five million, eight hundred four thousand, eight hundred twenty-one".