500396849 has 4 divisors (see below), whose sum is σ = 500441700. Its totient is φ = 500352000.

The previous prime is 500396783. The next prime is 500396851. The reversal of 500396849 is 948693005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 316306225 + 184090624 = 17785^2 + 13568^2 .

It is a cyclic number.

It is not a de Polignac number, because 500396849 - 2⁸ = 500396593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (500396249) 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, 8849 + ... + 32849.

It is an arithmetic number, because the mean of its divisors is an integer number (125110425).

Almost surely, 2^500396849 is an apocalyptic number.

It is an amenable number.

500396849 is a deficient number, since it is larger than the sum of its proper divisors (44851).

500396849 is a wasteful number, since it uses less digits than its factorization.

500396849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44850.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 500396849 is about 22369.5518283224. The cubic root of 500396849 is about 793.9104566267.

The spelling of 500396849 in words is "five hundred million, three hundred ninety-six thousand, eight hundred forty-nine".