685946118 has 32 divisors (see below), whose sum is σ = 1611735552. Its totient is φ = 191872800.

The previous prime is 685946111. The next prime is 685946137. The reversal of 685946118 is 811649586.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685946111) 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 15 ways as a sum of consecutive naturals, for example, 398878 + ... + 400593.

It is an arithmetic number, because the mean of its divisors is an integer number (50366736).

Almost surely, 2^685946118 is an apocalyptic number.

685946118 is an abundant number, since it is smaller than the sum of its proper divisors (925789434).

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

685946118 is a wasteful number, since it uses less digits than its factorization.

685946118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799500.

The product of its digits is 414720, while the sum is 48.

The square root of 685946118 is about 26190.5730750589. The cubic root of 685946118 is about 881.9216434830.

The spelling of 685946118 in words is "six hundred eighty-five million, nine hundred forty-six thousand, one hundred eighteen".