496509 has 16 divisors (see below), whose sum is σ = 739200. Its totient is φ = 294336.

The previous prime is 496499. The next prime is 496511. The reversal of 496509 is 905694.

It is a happy number.

It is not a de Polignac number, because 496509 - 2⁴ = 496493 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 496509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496549) 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 15 ways as a sum of consecutive naturals, for example, 912 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (46200).

2⁴⁹⁶⁵⁰⁹ is an apocalyptic number.

496509 is the 377-th nonagonal number.

It is an amenable number.

496509 is a deficient number, since it is larger than the sum of its proper divisors (242691).

496509 is a wasteful number, since it uses less digits than its factorization.

496509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 496509 is about 704.6339475217. The cubic root of 496509 is about 79.1849004476.

The spelling of 496509 in words is "four hundred ninety-six thousand, five hundred nine".