708656 has 20 divisors (see below), whose sum is σ = 1479072. Its totient is φ = 326976.

The previous prime is 708647. The next prime is 708667. The reversal of 708656 is 656807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 1911.

2⁷⁰⁸⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

708656 is an abundant number, since it is smaller than the sum of its proper divisors (770416).

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

708656 is a wasteful number, since it uses less digits than its factorization.

708656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 708656 is about 841.8170822691. The cubic root of 708656 is about 89.1548874688.

The spelling of 708656 in words is "seven hundred eight thousand, six hundred fifty-six".