493943 has 4 divisors (see below), whose sum is σ = 519960. Its totient is φ = 467928.

The previous prime is 493939. The next prime is 493967. The reversal of 493943 is 349394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 493943 - 2² = 493939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493973) 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, 12980 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (129990).

2⁴⁹³⁹⁴³ is an apocalyptic number.

493943 is a deficient number, since it is larger than the sum of its proper divisors (26017).

493943 is a wasteful number, since it uses less digits than its factorization.

493943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26016.

The product of its digits is 11664, while the sum is 32.

The square root of 493943 is about 702.8107853470. The cubic root of 493943 is about 79.0482533814.

The spelling of 493943 in words is "four hundred ninety-three thousand, nine hundred forty-three".