498605 has 4 divisors (see below), whose sum is σ = 598332. Its totient is φ = 398880.

The previous prime is 498599. The next prime is 498611. The reversal of 498605 is 506894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506894 = 2 ⋅253447.

It is an interprime number because it is at equal distance from previous prime (498599) and next prime (498611).

It can be written as a sum of positive squares in 2 ways, for example, as 188356 + 310249 = 434^2 + 557^2 .

It is not a de Polignac number, because 498605 - 2¹⁸ = 236461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49856 + ... + 49865.

It is an arithmetic number, because the mean of its divisors is an integer number (149583).

2⁴⁹⁸⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

498605 is a deficient number, since it is larger than the sum of its proper divisors (99727).

498605 is an equidigital number, since it uses as much as digits as its factorization.

498605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99726.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 498605 is about 706.1196782416. The cubic root of 498605 is about 79.2961696957.

The spelling of 498605 in words is "four hundred ninety-eight thousand, six hundred five".