216902 has 8 divisors (see below), whose sum is σ = 371856. Its totient is φ = 92952.

The previous prime is 216901. The next prime is 216911. The reversal of 216902 is 209612.

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 (216901) 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, 7733 + ... + 7760.

It is an arithmetic number, because the mean of its divisors is an integer number (46482).

2²¹⁶⁹⁰² is an apocalyptic number.

216902 is a deficient number, since it is larger than the sum of its proper divisors (154954).

216902 is a wasteful number, since it uses less digits than its factorization.

216902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15502.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 216902 is about 465.7273880716. The cubic root of 216902 is about 60.0834025318.

The spelling of 216902 in words is "two hundred sixteen thousand, nine hundred two".