216350 has 12 divisors (see below), whose sum is σ = 402504. Its totient is φ = 86520.

The previous prime is 216347. The next prime is 216371. The reversal of 216350 is 53612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2114 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (33542).

2²¹⁶³⁵⁰ is an apocalyptic number.

216350 is a deficient number, since it is larger than the sum of its proper divisors (186154).

216350 is a wasteful number, since it uses less digits than its factorization.

216350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 216350 is about 465.1343891823. The cubic root of 216350 is about 60.0323899191.

Adding to 216350 its reverse (53612), we get a palindrome (269962).

The spelling of 216350 in words is "two hundred sixteen thousand, three hundred fifty".