498811 has 4 divisors (see below), whose sum is σ = 509472. Its totient is φ = 488152.

The previous prime is 498803. The next prime is 498833. The reversal of 498811 is 118894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118894 = 2 ⋅59447.

It is a cyclic number.

It is not a de Polignac number, because 498811 - 2³ = 498803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498881) 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, 5260 + ... + 5353.

It is an arithmetic number, because the mean of its divisors is an integer number (127368).

2⁴⁹⁸⁸¹¹ is an apocalyptic number.

498811 is a deficient number, since it is larger than the sum of its proper divisors (10661).

498811 is a wasteful number, since it uses less digits than its factorization.

498811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10660.

The product of its digits is 2304, while the sum is 31.

The square root of 498811 is about 706.2655308027. The cubic root of 498811 is about 79.3070886676.

The spelling of 498811 in words is "four hundred ninety-eight thousand, eight hundred eleven".