491498 has 8 divisors (see below), whose sum is σ = 842592. Its totient is φ = 210636.

The previous prime is 491497. The next prime is 491501. The reversal of 491498 is 894194.

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

It is not an unprimeable number, because it can be changed into a prime (491497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17540 + ... + 17567.

It is an arithmetic number, because the mean of its divisors is an integer number (105324).

2⁴⁹¹⁴⁹⁸ is an apocalyptic number.

491498 is a deficient number, since it is larger than the sum of its proper divisors (351094).

491498 is a wasteful number, since it uses less digits than its factorization.

491498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35116.

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

The square root of 491498 is about 701.0691834619. The cubic root of 491498 is about 78.9176089160.

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

The spelling of 491498 in words is "four hundred ninety-one thousand, four hundred ninety-eight".