686084322 has 32 divisors (see below), whose sum is σ = 1710756864. Its totient is φ = 178203600.

The previous prime is 686084299. The next prime is 686084327. The reversal of 686084322 is 223480686.

It is not an unprimeable number, because it can be changed into a prime (686084327) 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, 742054 + ... + 742977.

It is an arithmetic number, because the mean of its divisors is an integer number (53461152).

Almost surely, 2^686084322 is an apocalyptic number.

686084322 is an abundant number, since it is smaller than the sum of its proper divisors (1024672542).

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

686084322 is a wasteful number, since it uses less digits than its factorization.

686084322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485054.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 686084322 is about 26193.2113724148. The cubic root of 686084322 is about 881.9808691816.

The spelling of 686084322 in words is "six hundred eighty-six million, eighty-four thousand, three hundred twenty-two".