499958438 has 16 divisors (see below), whose sum is σ = 902181120. Its totient is φ = 202990536.

The previous prime is 499958413. The next prime is 499958441. The reversal of 499958438 is 834859994.

It is a Curzon number.

It is a congruent number.

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, 939506 + ... + 940037.

It is an arithmetic number, because the mean of its divisors is an integer number (56386320).

Almost surely, 2^499958438 is an apocalyptic number.

499958438 is a deficient number, since it is larger than the sum of its proper divisors (402222682).

499958438 is a wasteful number, since it uses less digits than its factorization.

499958438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879571.

The product of its digits is 11197440, while the sum is 59.

The square root of 499958438 is about 22359.7504011114. The cubic root of 499958438 is about 793.6785335205.

The spelling of 499958438 in words is "four hundred ninety-nine million, nine hundred fifty-eight thousand, four hundred thirty-eight".