499451784 has 96 divisors (see below), whose sum is σ = 1423447200. Its totient is φ = 145566720.

The previous prime is 499451783. The next prime is 499451867. The reversal of 499451784 is 487154994.

It is not an unprimeable number, because it can be changed into a prime (499451783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73824 + ... + 80304.

It is an arithmetic number, because the mean of its divisors is an integer number (14827575).

Almost surely, 2^499451784 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 499451784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711723600).

499451784 is an abundant number, since it is smaller than the sum of its proper divisors (923995416).

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

499451784 is a wasteful number, since it uses less digits than its factorization.

499451784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535 (or 6518 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 499451784 is about 22348.4179305829. The cubic root of 499451784 is about 793.4103403503.

The spelling of 499451784 in words is "four hundred ninety-nine million, four hundred fifty-one thousand, seven hundred eighty-four".