212944 has 10 divisors (see below), whose sum is σ = 412610. Its totient is φ = 106464.

The previous prime is 212923. The next prime is 212969. The reversal of 212944 is 449212.

It can be written as a sum of positive squares in only one way, i.e., 115600 + 97344 = 340^2 + 312^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6639 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (41261).

2²¹²⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

212944 is a deficient number, since it is larger than the sum of its proper divisors (199666).

212944 is a wasteful number, since it uses less digits than its factorization.

212944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13317 (or 13311 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 212944 is about 461.4585571858. The cubic root of 212944 is about 59.7156919807.

It can be divided in two parts, 212 and 944, that added together give a square (1156 = 34²).

The spelling of 212944 in words is "two hundred twelve thousand, nine hundred forty-four".