498842 has 4 divisors (see below), whose sum is σ = 748266. Its totient is φ = 249420.

The previous prime is 498833. The next prime is 498857. The reversal of 498842 is 248894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248894 = 2 ⋅124447.

It can be written as a sum of positive squares in only one way, i.e., 361201 + 137641 = 601^2 + 371^2 .

It is an unprimeable number.

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, 124709 + ... + 124712.

2⁴⁹⁸⁸⁴² is an apocalyptic number.

498842 is a deficient number, since it is larger than the sum of its proper divisors (249424).

498842 is a wasteful number, since it uses less digits than its factorization.

498842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249423.

The product of its digits is 18432, while the sum is 35.

The square root of 498842 is about 706.2874768818. The cubic root of 498842 is about 79.3087315536.

The spelling of 498842 in words is "four hundred ninety-eight thousand, eight hundred forty-two".