216095 has 8 divisors (see below), whose sum is σ = 282960. Its totient is φ = 157120.

The previous prime is 216091. The next prime is 216103. The reversal of 216095 is 590612.

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

It is not a de Polignac number, because 216095 - 2² = 216091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910 + ... + 2019.

It is an arithmetic number, because the mean of its divisors is an integer number (35370).

216095 is a Friedman number, since it can be written as 95+60^(2+1), using all its digits and the basic arithmetic operations.

2²¹⁶⁰⁹⁵ is an apocalyptic number.

216095 is a deficient number, since it is larger than the sum of its proper divisors (66865).

216095 is a wasteful number, since it uses less digits than its factorization.

216095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 216095 is about 464.8601940369. The cubic root of 216095 is about 60.0087950070.

It can be divided in two parts, 21 and 6095, that added together give a palindrome (6116).

The spelling of 216095 in words is "two hundred sixteen thousand, ninety-five".