498539 has 4 divisors (see below), whose sum is σ = 515760. Its totient is φ = 481320.

The previous prime is 498527. The next prime is 498551. The reversal of 498539 is 935894.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (498527) and next prime (498551).

It is a cyclic number.

It is not a de Polignac number, because 498539 - 2⁴ = 498523 is a prime.

It is a super-2 number, since 2×498539² = 497082269042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498599) 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 3 ways as a sum of consecutive naturals, for example, 8567 + ... + 8624.

It is an arithmetic number, because the mean of its divisors is an integer number (128940).

2⁴⁹⁸⁵³⁹ is an apocalyptic number.

498539 is a deficient number, since it is larger than the sum of its proper divisors (17221).

498539 is a wasteful number, since it uses less digits than its factorization.

498539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17220.

The product of its digits is 38880, while the sum is 38.

The square root of 498539 is about 706.0729424075. The cubic root of 498539 is about 79.2926707482.

Subtracting from 498539 its sum of digits (38), we obtain a triangular number (498501 = T₉₉₈).

The spelling of 498539 in words is "four hundred ninety-eight thousand, five hundred thirty-nine".