520238 has 8 divisors (see below), whose sum is σ = 783432. Its totient is φ = 259096.

The previous prime is 520213. The next prime is 520241. The reversal of 520238 is 832025.

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

It is a congruent number.

It is an unprimeable number.

520238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656 + ... + 1212.

It is an arithmetic number, because the mean of its divisors is an integer number (97929).

2⁵²⁰²³⁸ is an apocalyptic number.

520238 is a deficient number, since it is larger than the sum of its proper divisors (263194).

520238 is a wasteful number, since it uses less digits than its factorization.

520238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 520238 is about 721.2752595230. The cubic root of 520238 is about 80.4267816689.

The spelling of 520238 in words is "five hundred twenty thousand, two hundred thirty-eight".