887144 has 16 divisors (see below), whose sum is σ = 1675620. Its totient is φ = 440320.
The previous prime is 887143. The next prime is 887153. The reversal of 887144 is 441788.
It can be written as a sum of positive squares in 2 ways, for example, as 702244 + 184900 = 838^2 + 430^2 .
It is a plaindrome in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 887144.
It is not an unprimeable number, because it can be changed into a prime (887141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064 + ... + 1704.
2887144 is an apocalyptic number.
It is an amenable number.
887144 is a deficient number, since it is larger than the sum of its proper divisors (788476).
887144 is a wasteful number, since it uses less digits than its factorization.
887144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 820 (or 816 counting only the distinct ones).
The product of its digits is 7168, while the sum is 32.
The square root of 887144 is about 941.8832199376. The cubic root of 887144 is about 96.0870160108.
The spelling of 887144 in words is "eight hundred eighty-seven thousand, one hundred forty-four".
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