204340506 has 8 divisors (see below), whose sum is σ = 408681024. Its totient is φ = 68113500.

The previous prime is 204340501. The next prime is 204340523. The reversal of 204340506 is 605043402.

It is a sphenic number, since it is the product of 3 distinct primes.

204340506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (204340501) 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, 17028370 + ... + 17028381.

It is an arithmetic number, because the mean of its divisors is an integer number (51085128).

Almost surely, 2^204340506 is an apocalyptic number.

204340506 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.

204340506 is a wasteful number, since it uses less digits than its factorization.

204340506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34056756.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 204340506 is about 14294.7719813924. The cubic root of 204340506 is about 589.0038788595.

Adding to 204340506 its reverse (605043402), we get a palindrome (809383908).

The spelling of 204340506 in words is "two hundred four million, three hundred forty thousand, five hundred six".