500019404 has 12 divisors (see below), whose sum is σ = 875737800. Its totient is φ = 249808608.

The previous prime is 500019397. The next prime is 500019407. The reversal of 500019404 is 404910005.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 500019404.

It is not an unprimeable number, because it can be changed into a prime (500019407) 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, 44609 + ... + 54680.

It is an arithmetic number, because the mean of its divisors is an integer number (72978150).

Almost surely, 2^500019404 is an apocalyptic number.

It is an amenable number.

500019404 is a deficient number, since it is larger than the sum of its proper divisors (375718396).

500019404 is a wasteful number, since it uses less digits than its factorization.

500019404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100552 (or 100550 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 500019404 is about 22361.1136574188. The cubic root of 500019404 is about 793.7107931613.

Adding to 500019404 its reverse (404910005), we get a palindrome (904929409).

The spelling of 500019404 in words is "five hundred million, nineteen thousand, four hundred four".