709616 has 10 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 354800.

The previous prime is 709609. The next prime is 709649. The reversal of 709616 is 616907.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

709616 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22160 + ... + 22191.

2⁷⁰⁹⁶¹⁶ is an apocalyptic number.

It is an amenable number.

709616 is a deficient number, since it is larger than the sum of its proper divisors (665296).

709616 is a wasteful number, since it uses less digits than its factorization.

709616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44359 (or 44353 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 709616 is about 842.3870844214. The cubic root of 709616 is about 89.1951279957.

The spelling of 709616 in words is "seven hundred nine thousand, six hundred sixteen".