216850338 has 32 divisors (see below), whose sum is σ = 483753600. Its totient is φ = 72003888.

The previous prime is 216850331. The next prime is 216850343. The reversal of 216850338 is 833058612.

It is not an unprimeable number, because it can be changed into a prime (216850331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6568 + ... + 21836.

It is an arithmetic number, because the mean of its divisors is an integer number (15117300).

Almost surely, 2^216850338 is an apocalyptic number.

216850338 is an abundant number, since it is smaller than the sum of its proper divisors (266903262).

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

216850338 is a wasteful number, since it uses less digits than its factorization.

216850338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15543 (or 15537 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 216850338 is about 14725.8391271941. The cubic root of 216850338 is about 600.7863190537.

The spelling of 216850338 in words is "two hundred sixteen million, eight hundred fifty thousand, three hundred thirty-eight".