6598459 has 4 divisors (see below), whose sum is σ = 7541104. Its totient is φ = 5655816.

The previous prime is 6598439. The next prime is 6598481. The reversal of 6598459 is 9548956.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6598459 - 2¹⁷ = 6467387 is a prime.

It is a super-2 number, since 2×6598459² = 87079322349362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6598429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471312 + ... + 471325.

It is an arithmetic number, because the mean of its divisors is an integer number (1885276).

Almost surely, 2^6598459 is an apocalyptic number.

6598459 is a deficient number, since it is larger than the sum of its proper divisors (942645).

6598459 is an equidigital number, since it uses as much as digits as its factorization.

6598459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942644.

The product of its digits is 388800, while the sum is 46.

The square root of 6598459 is about 2568.7465815062. The cubic root of 6598459 is about 187.5631455465.

The spelling of 6598459 in words is "six million, five hundred ninety-eight thousand, four hundred fifty-nine".