498305 has 4 divisors (see below), whose sum is σ = 597972. Its totient is φ = 398640.

The previous prime is 498301. The next prime is 498331. The reversal of 498305 is 503894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503894 = 2 ⋅251947.

It can be written as a sum of positive squares in 2 ways, for example, as 223729 + 274576 = 473^2 + 524^2 .

It is not a de Polignac number, because 498305 - 2² = 498301 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498301) 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, 49826 + ... + 49835.

It is an arithmetic number, because the mean of its divisors is an integer number (149493).

2⁴⁹⁸³⁰⁵ is an apocalyptic number.

It is an amenable number.

498305 is a deficient number, since it is larger than the sum of its proper divisors (99667).

498305 is an equidigital number, since it uses as much as digits as its factorization.

498305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99666.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 498305 is about 705.9072176993. The cubic root of 498305 is about 79.2802629000.

The spelling of 498305 in words is "four hundred ninety-eight thousand, three hundred five".