706686 has 16 divisors (see below), whose sum is σ = 1488000. Its totient is φ = 223128.

The previous prime is 706679. The next prime is 706703. The reversal of 706686 is 686607.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2986 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (93000).

2⁷⁰⁶⁶⁸⁶ is an apocalyptic number.

706686 is an abundant number, since it is smaller than the sum of its proper divisors (781314).

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

706686 is a wasteful number, since it uses less digits than its factorization.

706686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 706686 is about 840.6461800306. The cubic root of 706686 is about 89.0721966051.

The spelling of 706686 in words is "seven hundred six thousand, six hundred eighty-six".