499919 has 8 divisors (see below), whose sum is σ = 605088. Its totient is φ = 403200.

The previous prime is 499903. The next prime is 499927. The reversal of 499919 is 919994.

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

It is not a de Polignac number, because 499919 - 2⁴ = 499903 is a prime.

It is a super-2 number, since 2×499919² = 499838013122, which contains 22 as substring.

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 499919.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982 + ... + 2219.

It is an arithmetic number, because the mean of its divisors is an integer number (75636).

2⁴⁹⁹⁹¹⁹ is an apocalyptic number.

499919 is a deficient number, since it is larger than the sum of its proper divisors (105169).

499919 is a wasteful number, since it uses less digits than its factorization.

499919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225.

The product of its digits is 26244, while the sum is 41.

The square root of 499919 is about 707.0495032174. The cubic root of 499919 is about 79.3657663841.

The spelling of 499919 in words is "four hundred ninety-nine thousand, nine hundred nineteen".