214905216 has 32 divisors (see below), whose sum is σ = 570843000. Its totient is φ = 71634944.

The previous prime is 214905191. The next prime is 214905239. The reversal of 214905216 is 612509412.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279441 + ... + 280208.

Almost surely, 2^214905216 is an apocalyptic number.

It is an amenable number.

214905216 is an abundant number, since it is smaller than the sum of its proper divisors (355937784).

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

214905216 is an equidigital number, since it uses as much as digits as its factorization.

214905216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559666 (or 559654 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 214905216 is about 14659.6458347397. The cubic root of 214905216 is about 598.9845936638.

The spelling of 214905216 in words is "two hundred fourteen million, nine hundred five thousand, two hundred sixteen".