688286094 has 16 divisors (see below), whose sum is σ = 1399904640. Its totient is φ = 225539960.

The previous prime is 688286069. The next prime is 688286129. The reversal of 688286094 is 490682886.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 971802 + ... + 972509.

It is an arithmetic number, because the mean of its divisors is an integer number (87494040).

Almost surely, 2^688286094 is an apocalyptic number.

688286094 is an abundant number, since it is smaller than the sum of its proper divisors (711618546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

688286094 is a wasteful number, since it uses less digits than its factorization.

688286094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944375.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 688286094 is about 26235.2071461233. The cubic root of 688286094 is about 882.9233418426.

The spelling of 688286094 in words is "six hundred eighty-eight million, two hundred eighty-six thousand, ninety-four".