686243334 has 48 divisors (see below), whose sum is σ = 1630568448. Its totient is φ = 191893968.

The previous prime is 686243317. The next prime is 686243339. The reversal of 686243334 is 433342686.

686243334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 686243292 and 686243301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686243339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11014 + ... + 38649.

It is an arithmetic number, because the mean of its divisors is an integer number (33970176).

Almost surely, 2^686243334 is an apocalyptic number.

686243334 is an abundant number, since it is smaller than the sum of its proper divisors (944325114).

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

686243334 is a wasteful number, since it uses less digits than its factorization.

686243334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49729 (or 49722 counting only the distinct ones).

The product of its digits is 248832, while the sum is 39.

The square root of 686243334 is about 26196.2465632006. The cubic root of 686243334 is about 882.0490020646.

The spelling of 686243334 in words is "six hundred eighty-six million, two hundred forty-three thousand, three hundred thirty-four".