499924649 has 32 divisors (see below), whose sum is σ = 613958400. Its totient is φ = 397958400.

The previous prime is 499924643. The next prime is 499924679. The reversal of 499924649 is 946429994.

It is a de Polignac number, because none of the positive numbers 2^k-499924649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499924594 and 499924603.

It is not an unprimeable number, because it can be changed into a prime (499924643) 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 31 ways as a sum of consecutive naturals, for example, 758282 + ... + 758940.

It is an arithmetic number, because the mean of its divisors is an integer number (19186200).

Almost surely, 2^499924649 is an apocalyptic number.

It is an amenable number.

499924649 is a deficient number, since it is larger than the sum of its proper divisors (114033751).

499924649 is a wasteful number, since it uses less digits than its factorization.

499924649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its digits is 5038848, while the sum is 56.

The square root of 499924649 is about 22358.9948119320. The cubic root of 499924649 is about 793.6606532288.

The spelling of 499924649 in words is "four hundred ninety-nine million, nine hundred twenty-four thousand, six hundred forty-nine".