506447 has 8 divisors (see below), whose sum is σ = 554112. Its totient is φ = 461280.

The previous prime is 506423. The next prime is 506449. The reversal of 506447 is 744605.

It is not a de Polignac number, because 506447 - 2¹⁶ = 440911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 506447.

It is not an unprimeable number, because it can be changed into a prime (506449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16322 + ... + 16352.

It is an arithmetic number, because the mean of its divisors is an integer number (69264).

2⁵⁰⁶⁴⁴⁷ is an apocalyptic number.

506447 is a deficient number, since it is larger than the sum of its proper divisors (47665).

506447 is an frugal number, since it uses more digits than its factorization.

506447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 506447 is about 711.6508975614. The cubic root of 506447 is about 79.7097293104.

The spelling of 506447 in words is "five hundred six thousand, four hundred forty-seven".