212648 has 16 divisors (see below), whose sum is σ = 420000. Its totient is φ = 100656.
The previous prime is 212633. The next prime is 212651. The reversal of 212648 is 846212.
212648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548 + ... + 851.
It is an arithmetic number, because the mean of its divisors is an integer number (26250).
2212648 is an apocalyptic number.
It is an amenable number.
212648 is a deficient number, since it is larger than the sum of its proper divisors (207352).
212648 is a wasteful number, since it uses less digits than its factorization.
212648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1424 (or 1420 counting only the distinct ones).
The product of its digits is 768, while the sum is 23.
The square root of 212648 is about 461.1377234623. The cubic root of 212648 is about 59.6880101470.
The spelling of 212648 in words is "two hundred twelve thousand, six hundred forty-eight".
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