493321 has 8 divisors (see below), whose sum is σ = 516800.
Its totient is φ = 470448.
The previous prime is 493313. The next prime is 493333. The reversal of 493321 is 123394.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 493321 - 23 = 493313 is a prime.
It is a Duffinian number.
493321 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 493292 and 493301.
It is not an unprimeable number, because it can be changed into a prime (493301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380 + ... + 2578.
It is an arithmetic number, because the mean of its divisors is an integer number (64600).
2493321 is an apocalyptic number.
It is an amenable number.
493321 is a deficient number, since it is larger than the sum of its proper divisors (23479).
493321 is a wasteful number, since it uses less digits than its factorization.
493321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303.
The product of its digits is 648, while the sum is 22.
The square root of 493321 is about 702.3681370905.
The cubic root of 493321 is about 79.0150588182.
The spelling of 493321 in words is "four hundred ninety-three thousand, three hundred twenty-one".