6533340 has 96 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 1497600.

The previous prime is 6533339. The next prime is 6533347. The reversal of 6533340 is 433356.

It is a self number, because there is not a number n which added to its sum of digits gives 6533340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6533347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12280 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

Almost surely, 2^6533340 is an apocalyptic number.

6533340 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 6533340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10523520).

6533340 is an abundant number, since it is smaller than the sum of its proper divisors (14513700).

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

6533340 is a wasteful number, since it uses less digits than its factorization.

6533340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 6533340 is about 2556.0399057918. The cubic root of 6533340 is about 186.9440956932.

Adding to 6533340 its reverse (433356), we get a palindrome (6966696).

It can be divided in two parts, 653 and 3340, that added together give a palindrome (3993).

The spelling of 6533340 in words is "six million, five hundred thirty-three thousand, three hundred forty".