499503 has 16 divisors (see below), whose sum is σ = 709632. Its totient is φ = 312000.

The previous prime is 499493. The next prime is 499507. The reversal of 499503 is 305994.

It is not a de Polignac number, because 499503 - 2⁶ = 499439 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3748 + ... + 3878.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2⁴⁹⁹⁵⁰³ is an apocalyptic number.

499503 is a deficient number, since it is larger than the sum of its proper divisors (210129).

499503 is a wasteful number, since it uses less digits than its factorization.

499503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 499503 is about 706.7552617420. The cubic root of 499503 is about 79.3437459361.

The spelling of 499503 in words is "four hundred ninety-nine thousand, five hundred three".