506230664 has 8 divisors (see below), whose sum is σ = 949182510. Its totient is φ = 253115328.

The previous prime is 506230663. The next prime is 506230717. The reversal of 506230664 is 466032605.

It can be written as a sum of positive squares in only one way, i.e., 410386564 + 95844100 = 20258^2 + 9790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 506230664.

It is not an unprimeable number, because it can be changed into a prime (506230663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31639409 + ... + 31639424.

Almost surely, 2^506230664 is an apocalyptic number.

It is an amenable number.

506230664 is a deficient number, since it is larger than the sum of its proper divisors (442951846).

506230664 is a wasteful number, since it uses less digits than its factorization.

506230664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63278839 (or 63278835 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 506230664 is about 22499.5703070081. The cubic root of 506230664 is about 796.9837798116.

The spelling of 506230664 in words is "five hundred six million, two hundred thirty thousand, six hundred sixty-four".