499000 has 32 divisors (see below), whose sum is σ = 1170000. Its totient is φ = 199200.

The previous prime is 498989. The next prime is 499021. The reversal of 499000 is 994.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

499000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 751 + ... + 1249.

2⁴⁹⁹⁰⁰⁰ is an apocalyptic number.

499000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585000).

499000 is an abundant number, since it is smaller than the sum of its proper divisors (671000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499000 is a wasteful number, since it uses less digits than its factorization.

499000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 499000 is about 706.3993204980. The cubic root of 499000 is about 79.3171039152.

Adding to 499000 its reverse (994), we get a palindrome (499994).

The spelling of 499000 in words is "four hundred ninety-nine thousand".