709696 has 28 divisors (see below), whose sum is σ = 1518412. Its totient is φ = 327168.

The previous prime is 709693. The next prime is 709703. The reversal of 709696 is 696907.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 640000 = 264^2 + 800^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (709691) 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 3 ways as a sum of consecutive naturals, for example, 406 + ... + 1258.

It is an arithmetic number, because the mean of its divisors is an integer number (54229).

2⁷⁰⁹⁶⁹⁶ 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 709696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759206).

709696 is an abundant number, since it is smaller than the sum of its proper divisors (808716).

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

709696 is a wasteful number, since it uses less digits than its factorization.

709696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 709696 is about 842.4345671920. The cubic root of 709696 is about 89.1984797344.

The spelling of 709696 in words is "seven hundred nine thousand, six hundred ninety-six".