6545838 has 16 divisors (see below), whose sum is σ = 14098896. Its totient is φ = 2014080.

The previous prime is 6545827. The next prime is 6545839. The reversal of 6545838 is 8385456.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6545796 and 6545805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41883 + ... + 42038.

It is an arithmetic number, because the mean of its divisors is an integer number (881181).

Almost surely, 2^6545838 is an apocalyptic number.

6545838 is an abundant number, since it is smaller than the sum of its proper divisors (7553058).

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

6545838 is a wasteful number, since it uses less digits than its factorization.

6545838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83939.

The product of its digits is 115200, while the sum is 39.

The square root of 6545838 is about 2558.4835352216. The cubic root of 6545838 is about 187.0632251156.

The spelling of 6545838 in words is "six million, five hundred forty-five thousand, eight hundred thirty-eight".