686243112 has 16 divisors (see below), whose sum is σ = 1715607840. Its totient is φ = 228747696.

The previous prime is 686243053. The next prime is 686243119. The reversal of 686243112 is 211342686.

686243112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (686243119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14296708 + ... + 14296755.

It is an arithmetic number, because the mean of its divisors is an integer number (107225490).

Almost surely, 2^686243112 is an apocalyptic number.

It is an amenable number.

686243112 is an abundant number, since it is smaller than the sum of its proper divisors (1029364728).

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

686243112 is a wasteful number, since it uses less digits than its factorization.

686243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28593472 (or 28593468 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 686243112 is about 26196.2423259520. The cubic root of 686243112 is about 882.0489069502.

Adding to 686243112 its reverse (211342686), we get a palindrome (897585798).

The spelling of 686243112 in words is "six hundred eighty-six million, two hundred forty-three thousand, one hundred twelve".