6536978 has 16 divisors (see below), whose sum is σ = 11275200. Its totient is φ = 2784336.

The previous prime is 6536947. The next prime is 6537019. The reversal of 6536978 is 8796356.

It is an unprimeable number.

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, 1073 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (704700).

Almost surely, 2^6536978 is an apocalyptic number.

6536978 is a deficient number, since it is larger than the sum of its proper divisors (4738222).

6536978 is a wasteful number, since it uses less digits than its factorization.

6536978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881.

The product of its digits is 272160, while the sum is 44.

The square root of 6536978 is about 2556.7514544828. The cubic root of 6536978 is about 186.9787883325.

The spelling of 6536978 in words is "six million, five hundred thirty-six thousand, nine hundred seventy-eight".