716636 has 12 divisors (see below), whose sum is σ = 1267728. Its totient is φ = 354432.

The previous prime is 716633. The next prime is 716659. The reversal of 716636 is 636617.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 716599 and 716608.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 716636.

It is not an unprimeable number, because it can be changed into a prime (716633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (105644).

2⁷¹⁶⁶³⁶ is an apocalyptic number.

It is an amenable number.

716636 is a deficient number, since it is larger than the sum of its proper divisors (551092).

716636 is a wasteful number, since it uses less digits than its factorization.

716636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1946 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 716636 is about 846.5435606039. The cubic root of 716636 is about 89.4882895116.

The spelling of 716636 in words is "seven hundred sixteen thousand, six hundred thirty-six".