216608396 has 6 divisors (see below), whose sum is σ = 379064700. Its totient is φ = 108304196.

The previous prime is 216608363. The next prime is 216608401. The reversal of 216608396 is 693806612.

216608396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27076046 + ... + 27076053.

It is an arithmetic number, because the mean of its divisors is an integer number (63177450).

Almost surely, 2^216608396 is an apocalyptic number.

It is an amenable number.

216608396 is a deficient number, since it is larger than the sum of its proper divisors (162456304).

216608396 is a wasteful number, since it uses less digits than its factorization.

216608396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54152103 (or 54152101 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 216608396 is about 14717.6219546501. The cubic root of 216608396 is about 600.5628015553.

The spelling of 216608396 in words is "two hundred sixteen million, six hundred eight thousand, three hundred ninety-six".