708997 has 2 divisors, whose sum is σ = 708998. Its totient is φ = 708996.

The previous prime is 708991. The next prime is 709043. The reversal of 708997 is 799807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410881 + 298116 = 641^2 + 546^2 .

It is an emirp because it is prime and its reverse (799807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 708997 - 2³ = 708989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (708991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354498 + 354499.

It is an arithmetic number, because the mean of its divisors is an integer number (354499).

2⁷⁰⁸⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

708997 is a deficient number, since it is larger than the sum of its proper divisors (1).

708997 is an equidigital number, since it uses as much as digits as its factorization.

708997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 708997 is about 842.0195959715. The cubic root of 708997 is about 89.1691853987.

The spelling of 708997 in words is "seven hundred eight thousand, nine hundred ninety-seven".