6489320 has 32 divisors (see below), whose sum is σ = 14881320. Its totient is φ = 2545920.

The previous prime is 6489313. The next prime is 6489331. The reversal of 6489320 is 239846.

6489320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6461764 + 27556 = 2542^2 + 166^2 .

It is a super-2 number, since 2×6489320² = 84222548124800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 3650.

Almost surely, 2^6489320 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 6489320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7440660).

6489320 is an abundant number, since it is smaller than the sum of its proper divisors (8392000).

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

6489320 is a wasteful number, since it uses less digits than its factorization.

6489320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3121 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 6489320 is about 2547.4143754011. The cubic root of 6489320 is about 186.5232884258.

The spelling of 6489320 in words is "six million, four hundred eighty-nine thousand, three hundred twenty".