493555 has 4 divisors (see below), whose sum is σ = 592272. Its totient is φ = 394840.

The previous prime is 493541. The next prime is 493567. The reversal of 493555 is 555394.

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

It is not a de Polignac number, because 493555 - 2⁵ = 493523 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

493555 is a lucky number.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49351 + ... + 49360.

It is an arithmetic number, because the mean of its divisors is an integer number (148068).

2⁴⁹³⁵⁵⁵ is an apocalyptic number.

493555 is a deficient number, since it is larger than the sum of its proper divisors (98717).

493555 is an equidigital number, since it uses as much as digits as its factorization.

493555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98716.

The product of its digits is 13500, while the sum is 31.

The square root of 493555 is about 702.5346966521. The cubic root of 493555 is about 79.0275500772.

The spelling of 493555 in words is "four hundred ninety-three thousand, five hundred fifty-five".