686414 has 8 divisors (see below), whose sum is σ = 1033248. Its totient is φ = 342000.

The previous prime is 686363. The next prime is 686417. The reversal of 686414 is 414686.

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 686414.

It is not an unprimeable number, because it can be changed into a prime (686417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539 + ... + 1289.

It is an arithmetic number, because the mean of its divisors is an integer number (129156).

2⁶⁸⁶⁴¹⁴ is an apocalyptic number.

686414 is a deficient number, since it is larger than the sum of its proper divisors (346834).

686414 is a wasteful number, since it uses less digits than its factorization.

686414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210.

The product of its digits is 4608, while the sum is 29.

The square root of 686414 is about 828.5010561249. The cubic root of 686414 is about 88.2122116702.

The spelling of 686414 in words is "six hundred eighty-six thousand, four hundred fourteen".