865046118 has 16 divisors (see below), whose sum is σ = 1746890496. Its totient is φ = 285549000.

The previous prime is 865046111. The next prime is 865046183. The reversal of 865046118 is 811640568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865046111) 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 7 ways as a sum of consecutive naturals, for example, 699258 + ... + 700493.

It is an arithmetic number, because the mean of its divisors is an integer number (109180656).

Almost surely, 2^865046118 is an apocalyptic number.

865046118 is an abundant number, since it is smaller than the sum of its proper divisors (881844378).

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

865046118 is a wasteful number, since it uses less digits than its factorization.

865046118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399859.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 865046118 is about 29411.6663587767. Note that the first 3 decimals coincide. The cubic root of 865046118 is about 952.8248763316.

The spelling of 865046118 in words is "eight hundred sixty-five million, forty-six thousand, one hundred eighteen".