204104412 has 36 divisors (see below), whose sum is σ = 521735760. Its totient is φ = 67269312.

The previous prime is 204104399. The next prime is 204104429. The reversal of 204104412 is 214401402.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×204104412² = 83317221995731488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28648 + ... + 35055.

It is an arithmetic number, because the mean of its divisors is an integer number (14492660).

Almost surely, 2^204104412 is an apocalyptic number.

It is an amenable number.

204104412 is an abundant number, since it is smaller than the sum of its proper divisors (317631348).

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

204104412 is a wasteful number, since it uses less digits than its factorization.

204104412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63802 (or 63797 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 204104412 is about 14286.5115406106. The cubic root of 204104412 is about 588.7769473920.

Adding to 204104412 its reverse (214401402), we get a palindrome (418505814).

The spelling of 204104412 in words is "two hundred four million, one hundred four thousand, four hundred twelve".