204030399 has 16 divisors (see below), whose sum is σ = 287971200. Its totient is φ = 128273376.

The previous prime is 204030397. The next prime is 204030419. The reversal of 204030399 is 993030402.

204030399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204030399 - 2¹ = 204030397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204030397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23529 + ... + 31010.

It is an arithmetic number, because the mean of its divisors is an integer number (17998200).

Almost surely, 2^204030399 is an apocalyptic number.

204030399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

204030399 is a deficient number, since it is larger than the sum of its proper divisors (83940801).

204030399 is a wasteful number, since it uses less digits than its factorization.

204030399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54614.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 204030399 is about 14283.9209953010. The cubic root of 204030399 is about 588.7057707228.

It can be divided in two parts, 2040303 and 99, that added together give a palindrome (2040402).

The spelling of 204030399 in words is "two hundred four million, thirty thousand, three hundred ninety-nine".