6598720 has 56 divisors (see below), whose sum is σ = 16651224. Its totient is φ = 2482176.

The previous prime is 6598679. The next prime is 6598721. The reversal of 6598720 is 278956.

It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 6390784 = 456^2 + 2528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6598720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6598721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4834 + ... + 6046.

Almost surely, 2^6598720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6598720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8325612).

6598720 is an abundant number, since it is smaller than the sum of its proper divisors (10052504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6598720 is a wasteful number, since it uses less digits than its factorization.

6598720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 6598720 is about 2568.7973839912. The cubic root of 6598720 is about 187.5656185146.

The spelling of 6598720 in words is "six million, five hundred ninety-eight thousand, seven hundred twenty".