506563844 has 6 divisors (see below), whose sum is σ = 886486734. Its totient is φ = 253281920.

The previous prime is 506563831. The next prime is 506563847. The reversal of 506563844 is 448365605.

It can be written as a sum of positive squares in only one way, i.e., 413634244 + 92929600 = 20338^2 + 9640^2 .

It is not an unprimeable number, because it can be changed into a prime (506563847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63320477 + ... + 63320484.

It is an arithmetic number, because the mean of its divisors is an integer number (147747789).

Almost surely, 2^506563844 is an apocalyptic number.

It is an amenable number.

506563844 is a deficient number, since it is larger than the sum of its proper divisors (379922890).

506563844 is a wasteful number, since it uses less digits than its factorization.

506563844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126640965 (or 126640963 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 506563844 is about 22506.9732305346. The cubic root of 506563844 is about 797.1585886753.

The spelling of 506563844 in words is "five hundred six million, five hundred sixty-three thousand, eight hundred forty-four".