506947 has 4 divisors (see below), whose sum is σ = 579376. Its totient is φ = 434520.

The previous prime is 506941. The next prime is 506963. The reversal of 506947 is 749605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749605 = 5 ⋅149921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36204 + ... + 36217.

It is an arithmetic number, because the mean of its divisors is an integer number (144844).

2⁵⁰⁶⁹⁴⁷ is an apocalyptic number.

506947 is a deficient number, since it is larger than the sum of its proper divisors (72429).

506947 is an equidigital number, since it uses as much as digits as its factorization.

506947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72428.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 506947 is about 712.0021067385. The cubic root of 506947 is about 79.7359523611.

The spelling of 506947 in words is "five hundred six thousand, nine hundred forty-seven".