204340411 has 4 divisors (see below), whose sum is σ = 222916824. Its totient is φ = 185764000.

The previous prime is 204340403. The next prime is 204340453. The reversal of 204340411 is 114043402.

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

It is a cyclic number.

It is not a de Polignac number, because 204340411 - 2³ = 204340403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204340111) 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, 9288190 + ... + 9288211.

It is an arithmetic number, because the mean of its divisors is an integer number (55729206).

Almost surely, 2^204340411 is an apocalyptic number.

204340411 is a deficient number, since it is larger than the sum of its proper divisors (18576413).

204340411 is a wasteful number, since it uses less digits than its factorization.

204340411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18576412.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 204340411 is about 14294.7686584988. The cubic root of 204340411 is about 589.0037875815.

Adding to 204340411 its reverse (114043402), we get a palindrome (318383813).

The spelling of 204340411 in words is "two hundred four million, three hundred forty thousand, four hundred eleven".