688373 has 8 divisors (see below), whose sum is σ = 814080. Its totient is φ = 569520.

The previous prime is 688357. The next prime is 688379. The reversal of 688373 is 373886.

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

It is not a de Polignac number, because 688373 - 2⁴ = 688357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (101760).

2⁶⁸⁸³⁷³ is an apocalyptic number.

It is an amenable number.

688373 is a deficient number, since it is larger than the sum of its proper divisors (125707).

688373 is a wasteful number, since it uses less digits than its factorization.

688373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427.

The product of its digits is 24192, while the sum is 35.

The square root of 688373 is about 829.6824693821. The cubic root of 688373 is about 88.2960500861.

The spelling of 688373 in words is "six hundred eighty-eight thousand, three hundred seventy-three".