499559830 has 32 divisors (see below), whose sum is σ = 1121091840. Its totient is φ = 155706720.

The previous prime is 499559791. The next prime is 499559831. The reversal of 499559830 is 38955994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499559831) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 323620 + ... + 325159.

It is an arithmetic number, because the mean of its divisors is an integer number (35034120).

Almost surely, 2^499559830 is an apocalyptic number.

499559830 is an abundant number, since it is smaller than the sum of its proper divisors (621532010).

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

499559830 is a wasteful number, since it uses less digits than its factorization.

499559830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648804.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The square root of 499559830 is about 22350.8351074406. The cubic root of 499559830 is about 793.4675488307.

The spelling of 499559830 in words is "four hundred ninety-nine million, five hundred fifty-nine thousand, eight hundred thirty".