499899 has 8 divisors (see below), whose sum is σ = 670032. Its totient is φ = 331520.

The previous prime is 499897. The next prime is 499903. The reversal of 499899 is 998994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 499899 - 2¹ = 499897 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499899.

It is not an unprimeable number, because it can be changed into a prime (499897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (83754).

2⁴⁹⁹⁸⁹⁹ is an apocalyptic number.

499899 is a deficient number, since it is larger than the sum of its proper divisors (170133).

499899 is a wasteful number, since it uses less digits than its factorization.

499899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 209952, while the sum is 48.

The square root of 499899 is about 707.0353597947. The cubic root of 499899 is about 79.3647079883.

The spelling of 499899 in words is "four hundred ninety-nine thousand, eight hundred ninety-nine".