686670314 has 8 divisors (see below), whose sum is σ = 1123642368. Its totient is φ = 312122860.

The previous prime is 686670289. The next prime is 686670343. The reversal of 686670314 is 413076686.

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

It is a super-2 number, since 2×686670314² = 943032240257717192, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15606122 + ... + 15606165.

It is an arithmetic number, because the mean of its divisors is an integer number (140455296).

Almost surely, 2^686670314 is an apocalyptic number.

686670314 is a deficient number, since it is larger than the sum of its proper divisors (436972054).

686670314 is a wasteful number, since it uses less digits than its factorization.

686670314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31212300.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 686670314 is about 26204.3949367277. The cubic root of 686670314 is about 882.2319008416.

The spelling of 686670314 in words is "six hundred eighty-six million, six hundred seventy thousand, three hundred fourteen".