204897066 has 16 divisors (see below), whose sum is σ = 447048288. Its totient is φ = 62090000.

The previous prime is 204897053. The next prime is 204897067. The reversal of 204897066 is 660798402.

It is a super-3 number, since 3×204897066³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (204897067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552185 + ... + 1552316.

It is an arithmetic number, because the mean of its divisors is an integer number (27940518).

Almost surely, 2^204897066 is an apocalyptic number.

204897066 is an abundant number, since it is smaller than the sum of its proper divisors (242151222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204897066 is a wasteful number, since it uses less digits than its factorization.

204897066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104517.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 204897066 is about 14314.2260007309. The cubic root of 204897066 is about 589.5381485642.

The spelling of 204897066 in words is "two hundred four million, eight hundred ninety-seven thousand, sixty-six".