498209856 has 56 divisors (see below), whose sum is σ = 1337889120. Its totient is φ = 163587072.

The previous prime is 498209843. The next prime is 498209861. The reversal of 498209856 is 658902894.

It is a junction number, because it is equal to n+sod(n) for n = 498209799 and 498209808.

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 in 7 ways as a sum of consecutive naturals, for example, 6501 + ... + 32228.

Almost surely, 2^498209856 is an apocalyptic number.

It is an amenable number.

498209856 is an abundant number, since it is smaller than the sum of its proper divisors (839679264).

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

498209856 is a wasteful number, since it uses less digits than its factorization.

498209856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38811 (or 38801 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 498209856 is about 22320.6150452894. The cubic root of 498209856 is about 792.7521677939.

The spelling of 498209856 in words is "four hundred ninety-eight million, two hundred nine thousand, eight hundred fifty-six".