498558 has 8 divisors (see below), whose sum is σ = 997128. Its totient is φ = 166184.

The previous prime is 498557. The next prime is 498577. The reversal of 498558 is 855894.

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

498558 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498551) 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, 41541 + ... + 41552.

It is an arithmetic number, because the mean of its divisors is an integer number (124641).

2⁴⁹⁸⁵⁵⁸ is an apocalyptic number.

498558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498558 is a wasteful number, since it uses less digits than its factorization.

498558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83098.

The product of its digits is 57600, while the sum is 39.

The square root of 498558 is about 706.0863969799. The cubic root of 498558 is about 79.2936780527.

The spelling of 498558 in words is "four hundred ninety-eight thousand, five hundred fifty-eight".