500049983 has 4 divisors (see below), whose sum is σ = 501179208. Its totient is φ = 498920760.

The previous prime is 500049943. The next prime is 500049989. The reversal of 500049983 is 389940005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500049983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500049989) by changing a digit.

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, 563948 + ... + 564833.

It is an arithmetic number, because the mean of its divisors is an integer number (125294802).

Almost surely, 2^500049983 is an apocalyptic number.

500049983 is a deficient number, since it is larger than the sum of its proper divisors (1129225).

500049983 is a wasteful number, since it uses less digits than its factorization.

500049983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129224.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 500049983 is about 22361.7974009246. The cubic root of 500049983 is about 793.7269727918.

Adding to 500049983 its reverse (389940005), we get a palindrome (889989988).

The spelling of 500049983 in words is "five hundred million, forty-nine thousand, nine hundred eighty-three".