1828530 has 48 divisors (see below), whose sum is σ = 5189184. Its totient is φ = 443040.
The previous prime is 1828517. The next prime is 1828531. The reversal of 1828530 is 358281.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1828494 and 1828503.
It is not an unprimeable number, because it can be changed into a prime (1828531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67 + ... + 1913.
It is an arithmetic number, because the mean of its divisors is an integer number (108108).
21828530 is an apocalyptic number.
1828530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1828530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2594592).
1828530 is an abundant number, since it is smaller than the sum of its proper divisors (3360654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1828530 is a wasteful number, since it uses less digits than its factorization.
1828530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1871 (or 1868 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 1828530 is about 1352.2314890580. The cubic root of 1828530 is about 122.2833599851.
The spelling of 1828530 in words is "one million, eight hundred twenty-eight thousand, five hundred thirty".
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