204628355 has 16 divisors (see below), whose sum is σ = 259122240. Its totient is φ = 154818048.

The previous prime is 204628339. The next prime is 204628363. The reversal of 204628355 is 553826402.

It is a cyclic number.

It is not a de Polignac number, because 204628355 - 2⁴ = 204628339 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239 + ... + 20231.

It is an arithmetic number, because the mean of its divisors is an integer number (16195140).

Almost surely, 2^204628355 is an apocalyptic number.

204628355 is a deficient number, since it is larger than the sum of its proper divisors (54493885).

204628355 is a wasteful number, since it uses less digits than its factorization.

204628355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20110.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 204628355 is about 14304.8367694287. The cubic root of 204628355 is about 589.2803204264.

The spelling of 204628355 in words is "two hundred four million, six hundred twenty-eight thousand, three hundred fifty-five".