499384320 has 152 divisors (see below), whose sum is σ = 1610609664. Its totient is φ = 132120576.

The previous prime is 499384309. The next prime is 499384343. The reversal of 499384320 is 23483994.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3932097 + ... + 3932223.

Almost surely, 2^499384320 is an apocalyptic number.

499384320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499384320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805304832).

499384320 is an abundant number, since it is smaller than the sum of its proper divisors (1111225344).

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

499384320 is an frugal number, since it uses more digits than its factorization.

499384320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 499384320 is about 22346.9085110223. The cubic root of 499384320 is about 793.3746151497.

The spelling of 499384320 in words is "four hundred ninety-nine million, three hundred eighty-four thousand, three hundred twenty".