6505836 has 12 divisors (see below), whose sum is σ = 15180312. Its totient is φ = 2168608.

The previous prime is 6505823. The next prime is 6505841. The reversal of 6505836 is 6385056.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a junction number, because it is equal to n+sod(n) for n = 6505797 and 6505806.

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 3 ways as a sum of consecutive naturals, for example, 271065 + ... + 271088.

It is an arithmetic number, because the mean of its divisors is an integer number (1265026).

Almost surely, 2^6505836 is an apocalyptic number.

It is an amenable number.

6505836 is an abundant number, since it is smaller than the sum of its proper divisors (8674476).

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

6505836 is a wasteful number, since it uses less digits than its factorization.

6505836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542160 (or 542158 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 6505836 is about 2550.6540337725. The cubic root of 6505836 is about 186.6813948130.

The spelling of 6505836 in words is "six million, five hundred five thousand, eight hundred thirty-six".