706659 has 4 divisors (see below), whose sum is σ = 942216. Its totient is φ = 471104.

The previous prime is 706633. The next prime is 706661. The reversal of 706659 is 956607.

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 706659 - 2⁸ = 706403 is a prime.

It is a D-number.

706659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (706669) 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, 117774 + ... + 117779.

It is an arithmetic number, because the mean of its divisors is an integer number (235554).

2⁷⁰⁶⁶⁵⁹ is an apocalyptic number.

706659 is a deficient number, since it is larger than the sum of its proper divisors (235557).

706659 is a wasteful number, since it uses less digits than its factorization.

706659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235556.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 706659 is about 840.6301208022. The cubic root of 706659 is about 89.0710622116.

The spelling of 706659 in words is "seven hundred six thousand, six hundred fifty-nine".