6340320 has 288 divisors, whose sum is σ = 26889408. Its totient is φ = 1327104.

The previous prime is 6340297. The next prime is 6340343. The reversal of 6340320 is 230436.

6340320 is a `hidden beast` number, since 6 + 340 + 320 = 666.

6340320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6340297) and next prime (6340343).

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6340293 and 6340302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 171342 + ... + 171378.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

Almost surely, 2^6340320 is an apocalyptic number.

6340320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6340320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13444704).

6340320 is an abundant number, since it is smaller than the sum of its proper divisors (20549088).

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

6340320 is a wasteful number, since it uses less digits than its factorization.

6340320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 6340320 is about 2517.9992057187. Note that the first 3 decimals coincide. The cubic root of 6340320 is about 185.0846459494.

Adding to 6340320 its reverse (230436), we get a palindrome (6570756).

The spelling of 6340320 in words is "six million, three hundred forty thousand, three hundred twenty".