499793920 has 60 divisors (see below), whose sum is σ = 1199665404. Its totient is φ = 199884800.

The previous prime is 499793893. The next prime is 499793927. The reversal of 499793920 is 29397994.

It can be written as a sum of positive squares in 2 ways, for example, as 247873536 + 251920384 = 15744^2 + 15872^2 .

It is not an unprimeable number, because it can be changed into a prime (499793927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78870 + ... + 84970.

Almost surely, 2^499793920 is an apocalyptic number.

499793920 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 499793920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599832702).

499793920 is an abundant number, since it is smaller than the sum of its proper divisors (699871484).

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

499793920 is an frugal number, since it uses more digits than its factorization.

499793920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6134 (or 6108 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 499793920 is about 22356.0712111945. The cubic root of 499793920 is about 793.5914671299.

The spelling of 499793920 in words is "four hundred ninety-nine million, seven hundred ninety-three thousand, nine hundred twenty".