688094 has 8 divisors (see below), whose sum is σ = 1126008. Its totient is φ = 312760.

The previous prime is 688087. The next prime is 688097. The reversal of 688094 is 490886.

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

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15617 + ... + 15660.

It is an arithmetic number, because the mean of its divisors is an integer number (140751).

2⁶⁸⁸⁰⁹⁴ is an apocalyptic number.

688094 is a deficient number, since it is larger than the sum of its proper divisors (437914).

688094 is a wasteful number, since it uses less digits than its factorization.

688094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31290.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 688094 is about 829.5143157294. The cubic root of 688094 is about 88.2841195741.

The spelling of 688094 in words is "six hundred eighty-eight thousand, ninety-four".