500505994 has 8 divisors (see below), whose sum is σ = 750858948. Its totient is φ = 250219680.

The previous prime is 500505991. The next prime is 500506003. The reversal of 500505994 is 499505005.

It can be written as a sum of positive squares in 2 ways, for example, as 404211025 + 96294969 = 20105^2 + 9813^2 .

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

It is not an unprimeable number, because it can be changed into a prime (500505991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11934 + ... + 33814.

Almost surely, 2^500505994 is an apocalyptic number.

500505994 is a deficient number, since it is larger than the sum of its proper divisors (250352954).

500505994 is a wasteful number, since it uses less digits than its factorization.

500505994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33320.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 500505994 is about 22371.9912837458. The cubic root of 500505994 is about 793.9681741881.

The spelling of 500505994 in words is "five hundred million, five hundred five thousand, nine hundred ninety-four".