204411089 has 4 divisors (see below), whose sum is σ = 208267956. Its totient is φ = 200554224.

The previous prime is 204411049. The next prime is 204411113. The reversal of 204411089 is 980114402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93993025 + 110418064 = 9695^2 + 10508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204411089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204411029) 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, 1928354 + ... + 1928459.

It is an arithmetic number, because the mean of its divisors is an integer number (52066989).

Almost surely, 2^204411089 is an apocalyptic number.

It is an amenable number.

204411089 is a deficient number, since it is larger than the sum of its proper divisors (3856867).

204411089 is an equidigital number, since it uses as much as digits as its factorization.

204411089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856866.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 204411089 is about 14297.2406078935. The cubic root of 204411089 is about 589.0716886732.

The spelling of 204411089 in words is "two hundred four million, four hundred eleven thousand, eighty-nine".