498501 has 16 divisors (see below), whose sum is σ = 760000. Its totient is φ = 322704.

The previous prime is 498497. The next prime is 498521. The reversal of 498501 is 105894.

498501 is a nontrivial binomial coefficient, being equal to C(999, 2).

It is not a de Polignac number, because 498501 - 2² = 498497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498521) 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 15 ways as a sum of consecutive naturals, for example, 750 + ... + 1248.

It is an arithmetic number, because the mean of its divisors is an integer number (47500).

2⁴⁹⁸⁵⁰¹ is an apocalyptic number.

498501 is the 998-th triangular number.

It is an amenable number.

498501 is a deficient number, since it is larger than the sum of its proper divisors (261499).

498501 is a wasteful number, since it uses less digits than its factorization.

498501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 498501 is about 706.0460324936. The cubic root of 498501 is about 79.2906560626.

It can be divided in two parts, 498 and 501, that added together give a palindrome (999).

The spelling of 498501 in words is "four hundred ninety-eight thousand, five hundred one".