493605 has 24 divisors (see below), whose sum is σ = 978432. Its totient is φ = 225504.

The previous prime is 493583. The next prime is 493607. The reversal of 493605 is 506394.

It is a happy number.

It is not a de Polignac number, because 493605 - 2⁵ = 493573 is a prime.

It is a Curzon number.

493605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469 + ... + 1098.

It is an arithmetic number, because the mean of its divisors is an integer number (40768).

2⁴⁹³⁶⁰⁵ is an apocalyptic number.

493605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

493605 is a deficient number, since it is larger than the sum of its proper divisors (484827).

493605 is a wasteful number, since it uses less digits than its factorization.

493605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 493605 is about 702.5702811819. The cubic root of 493605 is about 79.0302186376.

Adding to 493605 its reverse (506394), we get a palindrome (999999).

The spelling of 493605 in words is "four hundred ninety-three thousand, six hundred five".