686071334 has 8 divisors (see below), whose sum is σ = 1108269120. Its totient is φ = 316648296.

The previous prime is 686071333. The next prime is 686071339. The reversal of 686071334 is 433170686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686071333) 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, 13193654 + ... + 13193705.

It is an arithmetic number, because the mean of its divisors is an integer number (138533640).

Almost surely, 2^686071334 is an apocalyptic number.

686071334 is a deficient number, since it is larger than the sum of its proper divisors (422197786).

686071334 is a wasteful number, since it uses less digits than its factorization.

686071334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26387374.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 686071334 is about 26192.9634444062. The cubic root of 686071334 is about 881.9753036656.

The spelling of 686071334 in words is "six hundred eighty-six million, seventy-one thousand, three hundred thirty-four".