708608 has 26 divisors (see below), whose sum is σ = 1425234. Its totient is φ = 352256.

The previous prime is 708601. The next prime is 708641. The reversal of 708608 is 806807.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 16384 = 832^2 + 128^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708601) by changing a digit.

708608 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010 + ... + 4182.

2⁷⁰⁸⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 708608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712617).

708608 is an abundant number, since it is smaller than the sum of its proper divisors (716626).

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

708608 is an equidigital number, since it uses as much as digits as its factorization.

708608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 708608 is about 841.7885720298. The cubic root of 708608 is about 89.1528744887.

The spelling of 708608 in words is "seven hundred eight thousand, six hundred eight".