499967 has 4 divisors (see below), whose sum is σ = 538440. Its totient is φ = 461496.

The previous prime is 499957. The next prime is 499969. The reversal of 499967 is 769994.

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

It is a cyclic number.

It is not a de Polignac number, because 499967 - 2⁶ = 499903 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 499967.

It is not an unprimeable number, because it can be changed into a prime (499969) 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 3 ways as a sum of consecutive naturals, for example, 19217 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (134610).

2⁴⁹⁹⁹⁶⁷ is an apocalyptic number.

499967 is a deficient number, since it is larger than the sum of its proper divisors (38473).

499967 is a wasteful number, since it uses less digits than its factorization.

499967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38472.

The product of its digits is 122472, while the sum is 44.

The square root of 499967 is about 707.0834462777. The cubic root of 499967 is about 79.3683064188.

The spelling of 499967 in words is "four hundred ninety-nine thousand, nine hundred sixty-seven".