688046 has 8 divisors (see below), whose sum is σ = 1051704. Its totient is φ = 337480.

The previous prime is 688031. The next prime is 688063. The reversal of 688046 is 640886.

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 688046.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (131463).

2⁶⁸⁸⁰⁴⁶ is an apocalyptic number.

688046 is a deficient number, since it is larger than the sum of its proper divisors (363658).

688046 is a wasteful number, since it uses less digits than its factorization.

688046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 688046 is about 829.4853826319. The cubic root of 688046 is about 88.2820666878.

The spelling of 688046 in words is "six hundred eighty-eight thousand, forty-six".