204472216 has 16 divisors (see below), whose sum is σ = 412876800. Its totient is φ = 94371744.

The previous prime is 204472211. The next prime is 204472297. The reversal of 204472216 is 612274402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204472211) 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, 982936 + ... + 983143.

It is an arithmetic number, because the mean of its divisors is an integer number (25804800).

Almost surely, 2^204472216 is an apocalyptic number.

204472216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

204472216 is an abundant number, since it is smaller than the sum of its proper divisors (208404584).

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

204472216 is a wasteful number, since it uses less digits than its factorization.

204472216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966098 (or 1966094 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 204472216 is about 14299.3781682981. The cubic root of 204472216 is about 589.1304013986.

The spelling of 204472216 in words is "two hundred four million, four hundred seventy-two thousand, two hundred sixteen".