493709 has 2 divisors, whose sum is σ = 493710. Its totient is φ = 493708.

The previous prime is 493693. The next prime is 493711. The reversal of 493709 is 907394.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 228484 = 515^2 + 478^2 .

It is a cyclic number.

It is not a de Polignac number, because 493709 - 2⁴ = 493693 is a prime.

Together with 493711, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246854 + 246855.

It is an arithmetic number, because the mean of its divisors is an integer number (246855).

2⁴⁹³⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

493709 is a deficient number, since it is larger than the sum of its proper divisors (1).

493709 is an equidigital number, since it uses as much as digits as its factorization.

493709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 493709 is about 702.6442912313. The cubic root of 493709 is about 79.0357686662.

The spelling of 493709 in words is "four hundred ninety-three thousand, seven hundred nine".