498563728 has 20 divisors (see below), whose sum is σ = 1040272828. Its totient is φ = 230106240.

The previous prime is 498563719. The next prime is 498563753. The reversal of 498563728 is 827365894.

It can be written as a sum of positive squares in 2 ways, for example, as 100641024 + 397922704 = 10032^2 + 19948^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198263 + ... + 1198678.

Almost surely, 2^498563728 is an apocalyptic number.

It is an amenable number.

498563728 is an abundant number, since it is smaller than the sum of its proper divisors (541709100).

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

498563728 is a wasteful number, since it uses less digits than its factorization.

498563728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396962 (or 2396956 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 498563728 is about 22328.5406598819. The cubic root of 498563728 is about 792.9398172341.

The spelling of 498563728 in words is "four hundred ninety-eight million, five hundred sixty-three thousand, seven hundred twenty-eight".