498858 has 32 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 154560.

The previous prime is 498857. The next prime is 498859. The reversal of 498858 is 858894.

It is an interprime number because it is at equal distance from previous prime (498857) and next prime (498859).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 498858.

It is not an unprimeable number, because it can be changed into a prime (498857) 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, 8148 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2⁴⁹⁸⁸⁵⁸ is an apocalyptic number.

498858 is an abundant number, since it is smaller than the sum of its proper divisors (572502).

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

498858 is a wasteful number, since it uses less digits than its factorization.

498858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142.

The product of its digits is 92160, while the sum is 42.

The square root of 498858 is about 706.2988036235. The cubic root of 498858 is about 79.3095794681.

The spelling of 498858 in words is "four hundred ninety-eight thousand, eight hundred fifty-eight".