499500 has 96 divisors (see below), whose sum is σ = 1659840. Its totient is φ = 129600.

The previous prime is 499493. The next prime is 499507. The reversal of 499500 is 5994.

It is a happy number.

499500 is a nontrivial binomial coefficient, being equal to C(1000, 2).

It is an interprime number because it is at equal distance from previous prime (499493) and next prime (499507).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (499507) by changing a digit.

499500 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a Kaprekar number, because its square (249500250000) can be partitioned into two parts whose sum is 499500.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13482 + ... + 13518.

It is an arithmetic number, because the mean of its divisors is an integer number (17290).

2⁴⁹⁹⁵⁰⁰ is an apocalyptic number.

499500 is the 999-th triangular number and also the 500-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829920).

499500 is an abundant number, since it is smaller than the sum of its proper divisors (1160340).

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

499500 is a wasteful number, since it uses less digits than its factorization.

499500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 499500 is about 706.7531393634. The cubic root of 499500 is about 79.3435870904.

It can be divided in two parts, 499 and 500, that added together give a palindrome (999).

The spelling of 499500 in words is "four hundred ninety-nine thousand, five hundred".