204111404 has 12 divisors (see below), whose sum is σ = 408222864. Its totient is φ = 87476304.

The previous prime is 204111403. The next prime is 204111419. The reversal of 204111404 is 404111402.

204111404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

204111404 is an admirable number.

It is a super-2 number, since 2×204111404² = 83322930485702432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204111403) 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, 3644819 + ... + 3644874.

It is an arithmetic number, because the mean of its divisors is an integer number (34018572).

Almost surely, 2^204111404 is an apocalyptic number.

It is an amenable number.

204111404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204111404 is a wasteful number, since it uses less digits than its factorization.

204111404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289704 (or 7289702 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 204111404 is about 14286.7562448584. The cubic root of 204111404 is about 588.7836705545.

Adding to 204111404 its reverse (404111402), we get a palindrome (608222806).

The spelling of 204111404 in words is "two hundred four million, one hundred eleven thousand, four hundred four".