688283 has 4 divisors (see below), whose sum is σ = 694488. Its totient is φ = 682080.

The previous prime is 688277. The next prime is 688297. The reversal of 688283 is 382886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 688283 - 2⁸ = 688027 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 688283.

It is not an unprimeable number, because it can be changed into a prime (688223) 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, 2933 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (173622).

2⁶⁸⁸²⁸³ is an apocalyptic number.

688283 is a deficient number, since it is larger than the sum of its proper divisors (6205).

688283 is a wasteful number, since it uses less digits than its factorization.

688283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204.

The product of its digits is 18432, while the sum is 35.

The square root of 688283 is about 829.6282299922. The cubic root of 688283 is about 88.2922018861.

The spelling of 688283 in words is "six hundred eighty-eight thousand, two hundred eighty-three".