499924905 has 16 divisors (see below), whose sum is σ = 808128384. Its totient is φ = 263877120.

The previous prime is 499924889. The next prime is 499924961. The reversal of 499924905 is 509429994.

It is not a de Polignac number, because 499924905 - 2⁴ = 499924889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170341 + ... + 173250.

It is an arithmetic number, because the mean of its divisors is an integer number (50508024).

Almost surely, 2^499924905 is an apocalyptic number.

It is an amenable number.

499924905 is a deficient number, since it is larger than the sum of its proper divisors (308203479).

499924905 is a wasteful number, since it uses less digits than its factorization.

499924905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343696.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 499924905 is about 22359.0005366966. Note that the first 3 decimals coincide. The cubic root of 499924905 is about 793.6607887007.

The spelling of 499924905 in words is "four hundred ninety-nine million, nine hundred twenty-four thousand, nine hundred five".