204216208 has 40 divisors (see below), whose sum is σ = 460738368. Its totient is φ = 85867392.

The previous prime is 204216197. The next prime is 204216217. The reversal of 204216208 is 802612402.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 11266 + ... + 23137.

Almost surely, 2^204216208 is an apocalyptic number.

204216208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

204216208 is an abundant number, since it is smaller than the sum of its proper divisors (256522160).

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

204216208 is a wasteful number, since it uses less digits than its factorization.

204216208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34471 (or 34465 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 204216208 is about 14290.4236466243. The cubic root of 204216208 is about 588.8844265210.

The spelling of 204216208 in words is "two hundred four million, two hundred sixteen thousand, two hundred eight".