499491328 has 40 divisors (see below), whose sum is σ = 1140587712. Its totient is φ = 214066176.

The previous prime is 499491287. The next prime is 499491329. The reversal of 499491328 is 823194994.

It is not an unprimeable number, because it can be changed into a prime (499491329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66100 + ... + 73267.

Almost surely, 2^499491328 is an apocalyptic number.

It is an amenable number.

499491328 is an abundant number, since it is smaller than the sum of its proper divisors (641096384).

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

499491328 is an equidigital number, since it uses as much as digits as its factorization.

499491328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139392 (or 139376 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 499491328 is about 22349.3026289412. The cubic root of 499491328 is about 793.4312791686.

The spelling of 499491328 in words is "four hundred ninety-nine million, four hundred ninety-one thousand, three hundred twenty-eight".