6598643 has 4 divisors (see below), whose sum is σ = 6945960. Its totient is φ = 6251328.

The previous prime is 6598639. The next prime is 6598649. The reversal of 6598643 is 3468956.

6598643 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.

It is a cyclic number.

It is not a de Polignac number, because 6598643 - 2² = 6598639 is a prime.

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 6598643.

It is not an unprimeable number, because it can be changed into a prime (6598649) 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, 173630 + ... + 173667.

It is an arithmetic number, because the mean of its divisors is an integer number (1736490).

Almost surely, 2^6598643 is an apocalyptic number.

6598643 is a deficient number, since it is larger than the sum of its proper divisors (347317).

6598643 is a wasteful number, since it uses less digits than its factorization.

6598643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347316.

The product of its digits is 155520, while the sum is 41.

The square root of 6598643 is about 2568.7823963894. The cubic root of 6598643 is about 187.5648889484.

The spelling of 6598643 in words is "six million, five hundred ninety-eight thousand, six hundred forty-three".