506395 has 4 divisors (see below), whose sum is σ = 607680. Its totient is φ = 405112.

The previous prime is 506393. The next prime is 506417. The reversal of 506395 is 593605.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506395 - 2¹ = 506393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506393) 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, 50635 + ... + 50644.

It is an arithmetic number, because the mean of its divisors is an integer number (151920).

2⁵⁰⁶³⁹⁵ is an apocalyptic number.

506395 is a deficient number, since it is larger than the sum of its proper divisors (101285).

506395 is a wasteful number, since it uses less digits than its factorization.

506395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101284.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 506395 is about 711.6143618562. The cubic root of 506395 is about 79.7070011225.

The spelling of 506395 in words is "five hundred six thousand, three hundred ninety-five".