5879821 has 2 divisors, whose sum is σ = 5879822. Its totient is φ = 5879820.

The previous prime is 5879813. The next prime is 5879831. The reversal of 5879821 is 1289785.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 1406596 = 2115^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 5879821 - 2³ = 5879813 is a prime.

It is a Chen prime.

5879821 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5879831) 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 as a sum of consecutive naturals, namely, 2939910 + 2939911.

It is an arithmetic number, because the mean of its divisors is an integer number (2939911).

Almost surely, 2^5879821 is an apocalyptic number.

It is an amenable number.

5879821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5879821 is an equidigital number, since it uses as much as digits as its factorization.

5879821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 40.

The square root of 5879821 is about 2424.8342211376. The cubic root of 5879821 is about 180.4906469679.

The spelling of 5879821 in words is "five million, eight hundred seventy-nine thousand, eight hundred twenty-one".