688076 has 18 divisors (see below), whose sum is σ = 1251180. Its totient is φ = 331080.

The previous prime is 688073. The next prime is 688087. The reversal of 688076 is 670886.

It is not an unprimeable number, because it can be changed into a prime (688073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3755 + ... + 3933.

It is an arithmetic number, because the mean of its divisors is an integer number (69510).

2⁶⁸⁸⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

688076 is a deficient number, since it is larger than the sum of its proper divisors (563104).

688076 is a wasteful number, since it uses less digits than its factorization.

688076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 688076 is about 829.5034659361. The cubic root of 688076 is about 88.2833497530.

The spelling of 688076 in words is "six hundred eighty-eight thousand, seventy-six".