506383447 has 4 divisors (see below), whose sum is σ = 506620800. Its totient is φ = 506146096.

The previous prime is 506383441. The next prime is 506383453. The reversal of 506383447 is 744383605.

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

It is an interprime number because it is at equal distance from previous prime (506383441) and next prime (506383453).

It is a cyclic number.

It is not a de Polignac number, because 506383447 - 2¹¹ = 506381399 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506383441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115447 + ... + 119752.

It is an arithmetic number, because the mean of its divisors is an integer number (126655200).

Almost surely, 2^506383447 is an apocalyptic number.

506383447 is a deficient number, since it is larger than the sum of its proper divisors (237353).

506383447 is a wasteful number, since it uses less digits than its factorization.

506383447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237352.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 506383447 is about 22502.9652934897. The cubic root of 506383447 is about 797.0639496720.

The spelling of 506383447 in words is "five hundred six million, three hundred eighty-three thousand, four hundred forty-seven".