987212 has 6 divisors (see below), whose sum is σ = 1727628. Its totient is φ = 493604.
The previous prime is 987211. The next prime is 987227. The reversal of 987212 is 212789.
It is a happy number.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (987211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123398 + ... + 123405.
It is an arithmetic number, because the mean of its divisors is an integer number (287938).
2987212 is an apocalyptic number.
It is an amenable number.
987212 is a deficient number, since it is larger than the sum of its proper divisors (740416).
987212 is a wasteful number, since it uses less digits than its factorization.
987212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246807 (or 246805 counting only the distinct ones).
The product of its digits is 2016, while the sum is 29.
The square root of 987212 is about 993.5854266242. The cubic root of 987212 is about 99.5719032805.
The spelling of 987212 in words is "nine hundred eighty-seven thousand, two hundred twelve".
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