491183 has 8 divisors (see below), whose sum is σ = 612480. Its totient is φ = 382680.

The previous prime is 491171. The next prime is 491201. The reversal of 491183 is 381194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 491183 - 2⁴ = 491167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (76560).

2⁴⁹¹¹⁸³ is an apocalyptic number.

491183 is a deficient number, since it is larger than the sum of its proper divisors (121297).

491183 is a wasteful number, since it uses less digits than its factorization.

491183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397.

The product of its digits is 864, while the sum is 26.

The square root of 491183 is about 700.8444905969. The cubic root of 491183 is about 78.9007459383.

It can be divided in two parts, 4911 and 83, that added together give a palindrome (4994).

The spelling of 491183 in words is "four hundred ninety-one thousand, one hundred eighty-three".