493387 has 4 divisors (see below), whose sum is σ = 494856. Its totient is φ = 491920.

The previous prime is 493369. The next prime is 493393. The reversal of 493387 is 783394.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 493387 - 2¹¹ = 491339 is a prime.

It is a Duffinian number.

493387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (493397) 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 in 3 ways as a sum of consecutive naturals, for example, 48 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (123714).

493387 is a Friedman number, since it can be written as 348+79^3, using all its digits and the basic arithmetic operations.

2⁴⁹³³⁸⁷ is an apocalyptic number.

493387 is a deficient number, since it is larger than the sum of its proper divisors (1469).

493387 is an equidigital number, since it uses as much as digits as its factorization.

493387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its digits is 18144, while the sum is 34.

The square root of 493387 is about 702.4151194273. The cubic root of 493387 is about 79.0185823936.

The spelling of 493387 in words is "four hundred ninety-three thousand, three hundred eighty-seven".