498191 has 8 divisors (see below), whose sum is σ = 529200. Its totient is φ = 468160.

The previous prime is 498181. The next prime is 498209. The reversal of 498191 is 191894.

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 498191 - 2¹⁴ = 481807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498101) 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 7 ways as a sum of consecutive naturals, for example, 980 + ... + 1398.

It is an arithmetic number, because the mean of its divisors is an integer number (66150).

2⁴⁹⁸¹⁹¹ is an apocalyptic number.

498191 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

498191 is a deficient number, since it is larger than the sum of its proper divisors (31009).

498191 is a wasteful number, since it uses less digits than its factorization.

498191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its digits is 2592, while the sum is 32.

The square root of 498191 is about 705.8264659249. The cubic root of 498191 is about 79.2742166437.

The spelling of 498191 in words is "four hundred ninety-eight thousand, one hundred ninety-one".