216348086 has 8 divisors (see below), whose sum is σ = 343611720. Its totient is φ = 101810848.

The previous prime is 216348073. The next prime is 216348089. The reversal of 216348086 is 680843612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216348089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3181556 + ... + 3181623.

It is an arithmetic number, because the mean of its divisors is an integer number (42951465).

Almost surely, 2^216348086 is an apocalyptic number.

216348086 is a deficient number, since it is larger than the sum of its proper divisors (127263634).

216348086 is a wasteful number, since it uses less digits than its factorization.

216348086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363198.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 216348086 is about 14708.7758158183. The cubic root of 216348086 is about 600.3221288759.

The spelling of 216348086 in words is "two hundred sixteen million, three hundred forty-eight thousand, eighty-six".