505238 has 16 divisors (see below), whose sum is σ = 812160. Its totient is φ = 235200.

The previous prime is 505237. The next prime is 505277. The reversal of 505238 is 832505.

505238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658 + ... + 1938.

It is an arithmetic number, because the mean of its divisors is an integer number (50760).

2⁵⁰⁵²³⁸ is an apocalyptic number.

505238 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

505238 is a deficient number, since it is larger than the sum of its proper divisors (306922).

505238 is a wasteful number, since it uses less digits than its factorization.

505238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 505238 is about 710.8009566679. The cubic root of 505238 is about 79.6462505724.

The spelling of 505238 in words is "five hundred five thousand, two hundred thirty-eight".