500638 has 8 divisors (see below), whose sum is σ = 765288. Its totient is φ = 245544.

The previous prime is 500629. The next prime is 500671. The reversal of 500638 is 836005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

500638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256 + ... + 2467.

It is an arithmetic number, because the mean of its divisors is an integer number (95661).

2⁵⁰⁰⁶³⁸ is an apocalyptic number.

500638 is a deficient number, since it is larger than the sum of its proper divisors (264650).

500638 is a wasteful number, since it uses less digits than its factorization.

500638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 500638 is about 707.5577714929. The cubic root of 500638 is about 79.4037969789.

The spelling of 500638 in words is "five hundred thousand, six hundred thirty-eight".