686714 has 16 divisors (see below), whose sum is σ = 1188096. Its totient is φ = 291600.

The previous prime is 686687. The next prime is 686723. The reversal of 686714 is 417686.

686714 is nontrivially palindromic in base 16.

It is a super-2 number, since 2×686714² = 943152235592, which contains 22 as substring.

686714 is an undulating number in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 686714.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2399 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (74256).

2⁶⁸⁶⁷¹⁴ is an apocalyptic number.

686714 is a deficient number, since it is larger than the sum of its proper divisors (501382).

686714 is a wasteful number, since it uses less digits than its factorization.

686714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its digits is 8064, while the sum is 32.

The square root of 686714 is about 828.6820862068. The cubic root of 686714 is about 88.2250609658.

The spelling of 686714 in words is "six hundred eighty-six thousand, seven hundred fourteen".