889281 has 6 divisors (see below), whose sum is σ = 1284530. Its totient is φ = 592848.
The previous prime is 889279. The next prime is 889289. The reversal of 889281 is 182988.
It can be written as a sum of positive squares in only one way, i.e., 518400 + 370881 = 720^2 + 609^2 .
It is not a de Polignac number, because 889281 - 21 = 889279 is a prime.
It is a super-2 number, since 2×8892812 = 1581641393922, which contains 22 as substring.
It is a Duffinian number.
889281 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (889289) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49396 + ... + 49413.
2889281 is an apocalyptic number.
It is an amenable number.
889281 is a deficient number, since it is larger than the sum of its proper divisors (395249).
889281 is a wasteful number, since it uses less digits than its factorization.
889281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98815 (or 98812 counting only the distinct ones).
The product of its digits is 9216, while the sum is 36.
The square root of 889281 is about 943.0169669736. The cubic root of 889281 is about 96.1641073275.
The spelling of 889281 in words is "eight hundred eighty-nine thousand, two hundred eighty-one".
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