708928 has 56 divisors (see below), whose sum is σ = 1645920. Its totient is φ = 299520.

The previous prime is 708923. The next prime is 708937. The reversal of 708928 is 829807.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 708893 and 708902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13350 + ... + 13402.

2⁷⁰⁸⁹²⁸ 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 708928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822960).

708928 is an abundant number, since it is smaller than the sum of its proper divisors (936992).

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

708928 is a wasteful number, since it uses less digits than its factorization.

708928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 708928 is about 841.9786220564. The cubic root of 708928 is about 89.1662926392.

It can be divided in two parts, 7089 and 28, that added together give a palindrome (7117).

The spelling of 708928 in words is "seven hundred eight thousand, nine hundred twenty-eight".