6555340 has 48 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 2348480.

The previous prime is 6555337. The next prime is 6555343. The reversal of 6555340 is 435556.

It is an interprime number because it is at equal distance from previous prime (6555337) and next prime (6555343).

It is a junction number, because it is equal to n+sod(n) for n = 6555299 and 6555308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18081 + ... + 18439.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^6555340 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 6555340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7620480).

6555340 is an abundant number, since it is smaller than the sum of its proper divisors (8685620).

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

6555340 is a wasteful number, since it uses less digits than its factorization.

6555340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 6555340 is about 2560.3398211956. The cubic root of 6555340 is about 187.1536955993.

It can be divided in two parts, 655 and 5340, that added together give a palindrome (5995).

The spelling of 6555340 in words is "six million, five hundred fifty-five thousand, three hundred forty".