688701 has 8 divisors (see below), whose sum is σ = 988960. Its totient is φ = 423792.

The previous prime is 688697. The next prime is 688717. The reversal of 688701 is 107886.

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

It is not a de Polignac number, because 688701 - 2² = 688697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688741) 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, 8791 + ... + 8868.

It is an arithmetic number, because the mean of its divisors is an integer number (123620).

2⁶⁸⁸⁷⁰¹ is an apocalyptic number.

It is an amenable number.

688701 is a deficient number, since it is larger than the sum of its proper divisors (300259).

688701 is a wasteful number, since it uses less digits than its factorization.

688701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17675.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 688701 is about 829.8801118234. The cubic root of 688701 is about 88.3100717990.

The spelling of 688701 in words is "six hundred eighty-eight thousand, seven hundred one".