500039 has 4 divisors (see below), whose sum is σ = 501456. Its totient is φ = 498624.

The previous prime is 500029. The next prime is 500041. The reversal of 500039 is 930005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (125364).

2⁵⁰⁰⁰³⁹ is an apocalyptic number.

500039 is a deficient number, since it is larger than the sum of its proper divisors (1417).

500039 is an equidigital number, since it uses as much as digits as its factorization.

500039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 500039 is about 707.1343578133. The cubic root of 500039 is about 79.3721161661.

It can be divided in two parts, 5000 and 39, that multiplied together give a triangular number (195000 = T₆₂₄).

The spelling of 500039 in words is "five hundred thousand, thirty-nine".