493843 has 4 divisors (see below), whose sum is σ = 564400. Its totient is φ = 423288.

The previous prime is 493817. The next prime is 493853. The reversal of 493843 is 348394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348394 = 2 ⋅174197.

It is a cyclic number.

It is not a de Polignac number, because 493843 - 2⁵ = 493811 is a prime.

It is a Duffinian number.

493843 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (493813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35268 + ... + 35281.

It is an arithmetic number, because the mean of its divisors is an integer number (141100).

2⁴⁹³⁸⁴³ is an apocalyptic number.

493843 is a deficient number, since it is larger than the sum of its proper divisors (70557).

493843 is an equidigital number, since it uses as much as digits as its factorization.

493843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70556.

The product of its digits is 10368, while the sum is 31.

The square root of 493843 is about 702.7396388422. The cubic root of 493843 is about 79.0429185156.

The spelling of 493843 in words is "four hundred ninety-three thousand, eight hundred forty-three".