493397 has 2 divisors, whose sum is σ = 493398. Its totient is φ = 493396.

The previous prime is 493393. The next prime is 493399. The reversal of 493397 is 793394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470596 + 22801 = 686^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 493397 - 2² = 493393 is a prime.

Together with 493399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493393) 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, 246698 + 246699.

It is an arithmetic number, because the mean of its divisors is an integer number (246699).

2⁴⁹³³⁹⁷ is an apocalyptic number.

It is an amenable number.

493397 is a deficient number, since it is larger than the sum of its proper divisors (1).

493397 is an equidigital number, since it uses as much as digits as its factorization.

493397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 35.

The square root of 493397 is about 702.4222376890. The cubic root of 493397 is about 79.0191162413.

The spelling of 493397 in words is "four hundred ninety-three thousand, three hundred ninety-seven".