499369668 has 96 divisors (see below), whose sum is σ = 1387077888. Its totient is φ = 136857600.

The previous prime is 499369639. The next prime is 499369681. The reversal of 499369668 is 866963994.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208896 + ... + 211272.

It is an arithmetic number, because the mean of its divisors is an integer number (14448728).

Almost surely, 2^499369668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499369668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693538944).

499369668 is an abundant number, since it is smaller than the sum of its proper divisors (887708220).

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

499369668 is a wasteful number, since it uses less digits than its factorization.

499369668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2491 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 60.

The square root of 499369668 is about 22346.5806780366. The cubic root of 499369668 is about 793.3668558362.

The spelling of 499369668 in words is "four hundred ninety-nine million, three hundred sixty-nine thousand, six hundred sixty-eight".