216396350 has 48 divisors (see below), whose sum is σ = 421365888. Its totient is φ = 82592640.

The previous prime is 216396343. The next prime is 216396361. The reversal of 216396350 is 53693612.

It is a self number, because there is not a number n which added to its sum of digits gives 216396350.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 96947 + ... + 99153.

It is an arithmetic number, because the mean of its divisors is an integer number (8778456).

Almost surely, 2^216396350 is an apocalyptic number.

216396350 is a deficient number, since it is larger than the sum of its proper divisors (204969538).

216396350 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (216396349) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2304).

216396350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 216396350 is about 14710.4163775197. The cubic root of 216396350 is about 600.3667664990.

The spelling of 216396350 in words is "two hundred sixteen million, three hundred ninety-six thousand, three hundred fifty".