89212 has 6 divisors (see below), whose sum is σ = 156128. Its totient is φ = 44604.
The previous prime is 89209. The next prime is 89213. The reversal of 89212 is 21298.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11148 + ... + 11155.
289212 is an apocalyptic number.
It is an amenable number.
89212 is a deficient number, since it is larger than the sum of its proper divisors (66916).
89212 is a wasteful number, since it uses less digits than its factorization.
89212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22307 (or 22305 counting only the distinct ones).
The product of its digits is 288, while the sum is 22.
The square root of 89212 is about 298.6837792717. The cubic root of 89212 is about 44.6828732556.
The spelling of 89212 in words is "eighty-nine thousand, two hundred twelve".
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