693089 has 2 divisors, whose sum is σ = 693090.
Its totient is φ = 693088.
The previous prime is 693079. The next prime is 693097. The reversal of 693089 is 980396.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 667489 + 25600 = 817^2 + 160^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-693089 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (693019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346544 + 346545.
It is an arithmetic number, because the mean of its divisors is an integer number (346545).
2693089 is an apocalyptic number.
It is an amenable number.
693089 is a deficient number, since it is larger than the sum of its proper divisors (1).
693089 is an equidigital number, since it uses as much as digits as its factorization.
693089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 693089 is about 832.5196694373.
The cubic root of 693089 is about 88.4972282533.
The spelling of 693089 in words is "six hundred ninety-three thousand, eighty-nine".