506845 has 8 divisors (see below), whose sum is σ = 612864. Its totient is φ = 402384.

The previous prime is 506843. The next prime is 506861. The reversal of 506845 is 548605.

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

It is a cyclic number.

It is not a de Polignac number, because 506845 - 2¹ = 506843 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506843) 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, 532 + ... + 1138.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2⁵⁰⁶⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

506845 is a deficient number, since it is larger than the sum of its proper divisors (106019).

506845 is a wasteful number, since it uses less digits than its factorization.

506845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 506845 is about 711.9304741335. The cubic root of 506845 is about 79.7306042591.

The spelling of 506845 in words is "five hundred six thousand, eight hundred forty-five".