19104204 has 24 divisors (see below), whose sum is σ = 50944768. Its totient is φ = 5458320.

The previous prime is 19104203. The next prime is 19104223. The reversal of 19104204 is 40240191.

It is a super-2 number, since 2×19104204² = 729941220947232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (19104203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113632 + ... + 113799.

Almost surely, 2^19104204 is an apocalyptic number.

19104204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19104204 is an abundant number, since it is smaller than the sum of its proper divisors (31840564).

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

19104204 is a wasteful number, since it uses less digits than its factorization.

19104204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227445 (or 227443 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 19104204 is about 4370.8356180483. The cubic root of 19104204 is about 267.3270970464.

Adding to 19104204 its reverse (40240191), we get a palindrome (59344395).

The spelling of 19104204 in words is "nineteen million, one hundred four thousand, two hundred four".