506947646 has 8 divisors (see below), whose sum is σ = 793483344. Its totient is φ = 242453200.

The previous prime is 506947631. The next prime is 506947673. The reversal of 506947646 is 646749605.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 506947646.

It is a congruent number.

It is an unprimeable number.

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, 5510255 + ... + 5510346.

It is an arithmetic number, because the mean of its divisors is an integer number (99185418).

Almost surely, 2^506947646 is an apocalyptic number.

506947646 is a deficient number, since it is larger than the sum of its proper divisors (286535698).

506947646 is a wasteful number, since it uses less digits than its factorization.

506947646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020626.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 506947646 is about 22515.4979069973. The cubic root of 506947646 is about 797.3598623009.

The spelling of 506947646 in words is "five hundred six million, nine hundred forty-seven thousand, six hundred forty-six".