499959117 has 24 divisors (see below), whose sum is σ = 829670400. Its totient is φ = 284188320.

The previous prime is 499959113. The next prime is 499959127. The reversal of 499959117 is 711959994.

499959117 is a `hidden beast` number, since 49 + 9 + 9 + 591 + 1 + 7 = 666.

It is not a de Polignac number, because 499959117 - 2² = 499959113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499959113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8742 + ... + 32807.

It is an arithmetic number, because the mean of its divisors is an integer number (34569600).

Almost surely, 2^499959117 is an apocalyptic number.

It is an amenable number.

499959117 is a deficient number, since it is larger than the sum of its proper divisors (329711283).

499959117 is a wasteful number, since it uses less digits than its factorization.

499959117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41753 (or 41750 counting only the distinct ones).

The product of its digits is 918540, while the sum is 54.

The square root of 499959117 is about 22359.7655846389. The cubic root of 499959117 is about 793.6788928221.

The spelling of 499959117 in words is "four hundred ninety-nine million, nine hundred fifty-nine thousand, one hundred seventeen".