710989 has 2 divisors, whose sum is σ = 710990. Its totient is φ = 710988.

The previous prime is 710987. The next prime is 711001. The reversal of 710989 is 989017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 708964 + 2025 = 842^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 710989 - 2¹ = 710987 is a prime.

Together with 710987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (710987) by changing a digit.

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, 355494 + 355495.

It is an arithmetic number, because the mean of its divisors is an integer number (355495).

2⁷¹⁰⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

710989 is a deficient number, since it is larger than the sum of its proper divisors (1).

710989 is an equidigital number, since it uses as much as digits as its factorization.

710989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 710989 is about 843.2016366208. The cubic root of 710989 is about 89.2526173101.

The spelling of 710989 in words is "seven hundred ten thousand, nine hundred eighty-nine".