6506340 has 24 divisors (see below), whose sum is σ = 18217920. Its totient is φ = 1735008.

The previous prime is 6506329. The next prime is 6506347. The reversal of 6506340 is 436056.

It is a self number, because there is not a number n which added to its sum of digits gives 6506340.

It is not an unprimeable number, because it can be changed into a prime (6506347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54160 + ... + 54279.

It is an arithmetic number, because the mean of its divisors is an integer number (759080).

Almost surely, 2^6506340 is an apocalyptic number.

6506340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6506340 is an abundant number, since it is smaller than the sum of its proper divisors (11711580).

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

6506340 is a wasteful number, since it uses less digits than its factorization.

6506340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108451 (or 108449 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 6506340 is about 2550.7528300484. The cubic root of 6506340 is about 186.6862153563.

The spelling of 6506340 in words is "six million, five hundred six thousand, three hundred forty".