5998309 has 4 divisors (see below), whose sum is σ = 6087904. Its totient is φ = 5908716.

The previous prime is 5998303. The next prime is 5998339. The reversal of 5998309 is 9038995.

5998309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5998309 - 2⁵ = 5998277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5998303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44697 + ... + 44830.

It is an arithmetic number, because the mean of its divisors is an integer number (1521976).

Almost surely, 2^5998309 is an apocalyptic number.

It is an amenable number.

5998309 is a deficient number, since it is larger than the sum of its proper divisors (89595).

5998309 is an equidigital number, since it uses as much as digits as its factorization.

5998309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89594.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 5998309 is about 2449.1445445298. The cubic root of 5998309 is about 181.6949868408.

The spelling of 5998309 in words is "five million, nine hundred ninety-eight thousand, three hundred nine".