216462 has 16 divisors (see below), whose sum is σ = 443520. Its totient is φ = 70392.

The previous prime is 216451. The next prime is 216481. The reversal of 216462 is 264612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

216462 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2²¹⁶⁴⁶² is an apocalyptic number.

216462 is an abundant number, since it is smaller than the sum of its proper divisors (227058).

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

216462 is a wasteful number, since it uses less digits than its factorization.

216462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its digits is 576, while the sum is 21.

The square root of 216462 is about 465.2547689170. The cubic root of 216462 is about 60.0427473150.

The spelling of 216462 in words is "two hundred sixteen thousand, four hundred sixty-two".