498838 has 4 divisors (see below), whose sum is σ = 748260. Its totient is φ = 249418.

The previous prime is 498833. The next prime is 498857. The reversal of 498838 is 838894.

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

It is a self number, because there is not a number n which added to its sum of digits gives 498838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498833) 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 as a sum of consecutive naturals, namely, 124708 + ... + 124711.

It is an arithmetic number, because the mean of its divisors is an integer number (187065).

2⁴⁹⁸⁸³⁸ is an apocalyptic number.

498838 is a deficient number, since it is larger than the sum of its proper divisors (249422).

498838 is a wasteful number, since it uses less digits than its factorization.

498838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249421.

The product of its digits is 55296, while the sum is 40.

The square root of 498838 is about 706.2846451679. The cubic root of 498838 is about 79.3085195721.

The spelling of 498838 in words is "four hundred ninety-eight thousand, eight hundred thirty-eight".