499991358 has 32 divisors (see below), whose sum is σ = 1045034496. Its totient is φ = 159320448.

The previous prime is 499991357. The next prime is 499991377. The reversal of 499991358 is 853199994.

It is a junction number, because it is equal to n+sod(n) for n = 499991298 and 499991307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499991357) 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 15 ways as a sum of consecutive naturals, for example, 8491 + ... + 32742.

It is an arithmetic number, because the mean of its divisors is an integer number (32657328).

Almost surely, 2^499991358 is an apocalyptic number.

499991358 is an abundant number, since it is smaller than the sum of its proper divisors (545043138).

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

499991358 is a wasteful number, since it uses less digits than its factorization.

499991358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41328.

The product of its digits is 3149280, while the sum is 57.

The square root of 499991358 is about 22360.4865331683. The cubic root of 499991358 is about 793.6959531845.

The spelling of 499991358 in words is "four hundred ninety-nine million, nine hundred ninety-one thousand, three hundred fifty-eight".