493863 has 4 divisors (see below), whose sum is σ = 658488.
Its totient is φ = 329240.
The previous prime is 493859. The next prime is 493873. The reversal of 493863 is 368394.
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 493863 - 22 = 493859 is a prime.
It is a D-number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 493863.
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, 82308 + ... + 82313.
It is an arithmetic number, because the mean of its divisors is an integer number (164622).
2493863 is an apocalyptic number.
493863 is a deficient number, since it is larger than the sum of its proper divisors (164625).
493863 is a wasteful number, since it uses less digits than its factorization.
493863 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164624.
The product of its digits is 15552, while the sum is 33.
The square root of 493863 is about 702.7538687193.
The cubic root of 493863 is about 79.0439855463.
The spelling of 493863 in words is "four hundred ninety-three thousand, eight hundred sixty-three".