498491 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 389760.

The previous prime is 498469. The next prime is 498493. The reversal of 498491 is 194894.

It is a de Polignac number, because none of the positive numbers 2^k-498491 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 498491.

It is not an unprimeable number, because it can be changed into a prime (498493) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6986 + ... + 7056.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2⁴⁹⁸⁴⁹¹ is an apocalyptic number.

498491 is a deficient number, since it is larger than the sum of its proper divisors (123589).

498491 is a wasteful number, since it uses less digits than its factorization.

498491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

The product of its digits is 10368, while the sum is 35.

The square root of 498491 is about 706.0389507669. The cubic root of 498491 is about 79.2901258652.

It can be divided in two parts, 498 and 491, that added together give a palindrome (989).

The spelling of 498491 in words is "four hundred ninety-eight thousand, four hundred ninety-one".