499799 has 4 divisors (see below), whose sum is σ = 504336. Its totient is φ = 495264.

The previous prime is 499787. The next prime is 499801. The reversal of 499799 is 997994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499799.

It is not an unprimeable number, because it can be changed into a prime (499729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099 + ... + 2324.

It is an arithmetic number, because the mean of its divisors is an integer number (126084).

2⁴⁹⁹⁷⁹⁹ is an apocalyptic number.

499799 is a deficient number, since it is larger than the sum of its proper divisors (4537).

499799 is a wasteful number, since it uses less digits than its factorization.

499799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its digits is 183708, while the sum is 47.

The square root of 499799 is about 706.9646384367. The cubic root of 499799 is about 79.3594155859.

The spelling of 499799 in words is "four hundred ninety-nine thousand, seven hundred ninety-nine".