499999458 has 16 divisors (see below), whose sum is σ = 1142856000. Its totient is φ = 142856976.

The previous prime is 499999441. The next prime is 499999471. The reversal of 499999458 is 854999994.

It is a Curzon 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, 5952333 + ... + 5952416.

It is an arithmetic number, because the mean of its divisors is an integer number (71428500).

Almost surely, 2^499999458 is an apocalyptic number.

499999458 is an abundant number, since it is smaller than the sum of its proper divisors (642856542).

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

499999458 is a wasteful number, since it uses less digits than its factorization.

499999458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11904761.

The product of its digits is 37791360, while the sum is 66.

The square root of 499999458 is about 22360.6676555062. The cubic root of 499999458 is about 793.7002391935.

The spelling of 499999458 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, four hundred fifty-eight".