636079848 has 64 divisors (see below), whose sum is σ = 1609628160. Its totient is φ = 209454336.

The previous prime is 636079817. The next prime is 636079849. The reversal of 636079848 is 848970636.

It is a self number, because there is not a number n which added to its sum of digits gives 636079848.

It is not an unprimeable number, because it can be changed into a prime (636079849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839886 + ... + 840642.

It is an arithmetic number, because the mean of its divisors is an integer number (25150440).

Almost surely, 2^636079848 is an apocalyptic number.

It is an amenable number.

636079848 is an abundant number, since it is smaller than the sum of its proper divisors (973548312).

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

636079848 is a wasteful number, since it uses less digits than its factorization.

636079848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 636079848 is about 25220.6234657274. The cubic root of 636079848 is about 860.0107480178.

The spelling of 636079848 in words is "six hundred thirty-six million, seventy-nine thousand, eight hundred forty-eight".