212284008 has 24 divisors (see below), whose sum is σ = 574936050. Its totient is φ = 70761312.

The previous prime is 212283983. The next prime is 212284013. The reversal of 212284008 is 800482212.

It can be written as a sum of positive squares in only one way, i.e., 204432804 + 7851204 = 14298^2 + 2802^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1474123 + ... + 1474266.

Almost surely, 2^212284008 is an apocalyptic number.

It is an amenable number.

212284008 is an abundant number, since it is smaller than the sum of its proper divisors (362652042).

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

212284008 is a wasteful number, since it uses less digits than its factorization.

212284008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948401 (or 2948394 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 212284008 is about 14569.9693891236. The cubic root of 212284008 is about 596.5393448181.

The spelling of 212284008 in words is "two hundred twelve million, two hundred eighty-four thousand, eight".