283212 has 18 divisors (see below), whose sum is σ = 715988. Its totient is φ = 94392.

The previous prime is 283211. The next prime is 283267. The reversal of 283212 is 212382.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283212.

It is not an unprimeable number, because it can be changed into a prime (283211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3898 + ... + 3969.

2²⁸³²¹² is an apocalyptic number.

It is an amenable number.

283212 is an abundant number, since it is smaller than the sum of its proper divisors (432776).

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

283212 is a wasteful number, since it uses less digits than its factorization.

283212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877 (or 7872 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 283212 is about 532.1766623970. The cubic root of 283212 is about 65.6705343847.

Adding to 283212 its reverse (212382), we get a palindrome (495594).

It can be divided in two parts, 28 and 3212, that added together give a triangular number (3240 = T₈₀).

The spelling of 283212 in words is "two hundred eighty-three thousand, two hundred twelve".