887140 has 12 divisors (see below), whose sum is σ = 1863036. Its totient is φ = 354848.
The previous prime is 887113. The next prime is 887141. The reversal of 887140 is 41788.
It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 272484 = 784^2 + 522^2 .
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 887099 and 887108.
It is not an unprimeable number, because it can be changed into a prime (887141) by changing a digit.
887140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22159 + ... + 22198.
It is an arithmetic number, because the mean of its divisors is an integer number (155253).
2887140 is an apocalyptic number.
It is an amenable number.
887140 is an abundant number, since it is smaller than the sum of its proper divisors (975896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
887140 is a wasteful number, since it uses less digits than its factorization.
887140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44366 (or 44364 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 887140 is about 941.8810965297. The cubic root of 887140 is about 96.0868715966.
It can be divided in two parts, 8871 and 40, that added together give a triangular number (8911 = T133).
The spelling of 887140 in words is "eight hundred eighty-seven thousand, one hundred forty".
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