493166 has 16 divisors (see below), whose sum is σ = 787968. Its totient is φ = 231000.

The previous prime is 493159. The next prime is 493169. The reversal of 493166 is 661394.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493169) by changing a digit.

493166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 3191 + ... + 3341.

It is an arithmetic number, because the mean of its divisors is an integer number (49248).

2⁴⁹³¹⁶⁶ is an apocalyptic number.

493166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

493166 is a deficient number, since it is larger than the sum of its proper divisors (294802).

493166 is a wasteful number, since it uses less digits than its factorization.

493166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its digits is 3888, while the sum is 29.

The square root of 493166 is about 702.2577874257. The cubic root of 493166 is about 79.0067825187.

The spelling of 493166 in words is "four hundred ninety-three thousand, one hundred sixty-six".