216296850 has 192 divisors, whose sum is σ = 681956352. Its totient is φ = 44064000.

The previous prime is 216296813. The next prime is 216296863. The reversal of 216296850 is 58692612.

216296850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 216296799 and 216296808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 704397 + ... + 704703.

It is an arithmetic number, because the mean of its divisors is an integer number (3551856).

Almost surely, 2^216296850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216296850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340978176).

216296850 is an abundant number, since it is smaller than the sum of its proper divisors (465659502).

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

216296850 is a wasteful number, since it uses less digits than its factorization.

216296850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 216296850 is about 14707.0340313742. The cubic root of 216296850 is about 600.2747352928.

The spelling of 216296850 in words is "two hundred sixteen million, two hundred ninety-six thousand, eight hundred fifty".