708647 has 2 divisors, whose sum is σ = 708648. Its totient is φ = 708646.

The previous prime is 708641. The next prime is 708667. The reversal of 708647 is 746807.

It is a weak prime.

It is an emirp because it is prime and its reverse (746807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 708647 - 2⁶ = 708583 is a prime.

It is a Chen prime.

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 708647.

It is not a weakly prime, because it can be changed into another prime (708641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354323 + 354324.

It is an arithmetic number, because the mean of its divisors is an integer number (354324).

2⁷⁰⁸⁶⁴⁷ is an apocalyptic number.

708647 is a deficient number, since it is larger than the sum of its proper divisors (1).

708647 is an equidigital number, since it uses as much as digits as its factorization.

708647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 708647 is about 841.8117366728. The cubic root of 708647 is about 89.1545100419.

The spelling of 708647 in words is "seven hundred eight thousand, six hundred forty-seven".