498856505 has 24 divisors (see below), whose sum is σ = 708186240. Its totient is φ = 336265440.

The previous prime is 498856439. The next prime is 498856507. The reversal of 498856505 is 505658894.

It is not a de Polignac number, because 498856505 - 2²⁸ = 230421049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498856507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2801 + ... + 31710.

It is an arithmetic number, because the mean of its divisors is an integer number (29507760).

Almost surely, 2^498856505 is an apocalyptic number.

It is an amenable number.

498856505 is a deficient number, since it is larger than the sum of its proper divisors (209329735).

498856505 is a wasteful number, since it uses less digits than its factorization.

498856505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34589 (or 34582 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 50.

The square root of 498856505 is about 22335.0958135397. The cubic root of 498856505 is about 793.0950024185.

The spelling of 498856505 in words is "four hundred ninety-eight million, eight hundred fifty-six thousand, five hundred five".