6530986 has 16 divisors (see below), whose sum is σ = 12214080. Its totient is φ = 2544480.

The previous prime is 6530971. The next prime is 6530989. The reversal of 6530986 is 6890356.

It is not an unprimeable number, because it can be changed into a prime (6530989) 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, 21051 + ... + 21358.

It is an arithmetic number, because the mean of its divisors is an integer number (763380).

Almost surely, 2^6530986 is an apocalyptic number.

6530986 is a deficient number, since it is larger than the sum of its proper divisors (5683094).

6530986 is a wasteful number, since it uses less digits than its factorization.

6530986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42429.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6530986 is about 2555.5793863623. The cubic root of 6530986 is about 186.9216406516.

The spelling of 6530986 in words is "six million, five hundred thirty thousand, nine hundred eighty-six".