499958817 has 8 divisors (see below), whose sum is σ = 666848160. Its totient is φ = 333187680.

The previous prime is 499958813. The next prime is 499958819. The reversal of 499958817 is 718859994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 499958817 - 2² = 499958813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499958813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19159 + ... + 36972.

It is an arithmetic number, because the mean of its divisors is an integer number (83356020).

Almost surely, 2^499958817 is an apocalyptic number.

It is an amenable number.

499958817 is a deficient number, since it is larger than the sum of its proper divisors (166889343).

499958817 is a wasteful number, since it uses less digits than its factorization.

499958817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59103.

The product of its digits is 6531840, while the sum is 60.

The square root of 499958817 is about 22359.7588761596. The cubic root of 499958817 is about 793.6787340733.

The spelling of 499958817 in words is "four hundred ninety-nine million, nine hundred fifty-eight thousand, eight hundred seventeen".