688314 has 16 divisors (see below), whose sum is σ = 1501920. Its totient is φ = 208560.

The previous prime is 688309. The next prime is 688333. The reversal of 688314 is 413886.

It is a happy number.

It is an unprimeable number.

688314 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5149 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (93870).

2⁶⁸⁸³¹⁴ is an apocalyptic number.

688314 is an abundant number, since it is smaller than the sum of its proper divisors (813606).

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

688314 is a wasteful number, since it uses less digits than its factorization.

688314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445.

The product of its digits is 4608, while the sum is 30.

The square root of 688314 is about 829.6469128491. The cubic root of 688314 is about 88.2935274151.

The spelling of 688314 in words is "six hundred eighty-eight thousand, three hundred fourteen".