499722784 has 48 divisors (see below), whose sum is σ = 1079822016. Its totient is φ = 225760000.

The previous prime is 499722767. The next prime is 499722793. The reversal of 499722784 is 487227994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54534 + ... + 63034.

It is an arithmetic number, because the mean of its divisors is an integer number (22496292).

Almost surely, 2^499722784 is an apocalyptic number.

499722784 is a gapful number since it is divisible by the number (44) 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 499722784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539911008).

499722784 is an abundant number, since it is smaller than the sum of its proper divisors (580099232).

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

499722784 is a wasteful number, since it uses less digits than its factorization.

499722784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8689 (or 8681 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 499722784 is about 22354.4801773604. The cubic root of 499722784 is about 793.5538145436.

The spelling of 499722784 in words is "four hundred ninety-nine million, seven hundred twenty-two thousand, seven hundred eighty-four".