216892 has 24 divisors (see below), whose sum is σ = 422576. Its totient is φ = 96768.

The previous prime is 216877. The next prime is 216899. The reversal of 216892 is 298612.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 216892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188 + ... + 2284.

2²¹⁶⁸⁹² is an apocalyptic number.

It is an amenable number.

216892 is a deficient number, since it is larger than the sum of its proper divisors (205684).

216892 is a wasteful number, since it uses less digits than its factorization.

216892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 155 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 216892 is about 465.7166520536. The cubic root of 216892 is about 60.0824791604.

The spelling of 216892 in words is "two hundred sixteen thousand, eight hundred ninety-two".