1330044 has 48 divisors (see below), whose sum is σ = 3333120. Its totient is φ = 411840.
The previous prime is 1330031. The next prime is 1330061. The reversal of 1330044 is 4400331.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16797 + ... + 16875.
It is an arithmetic number, because the mean of its divisors is an integer number (69440).
21330044 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1330044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666560).
1330044 is an abundant number, since it is smaller than the sum of its proper divisors (2003076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1330044 is a wasteful number, since it uses less digits than its factorization.
1330044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170 (or 168 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 1330044 is about 1153.2753357286. The cubic root of 1330044 is about 109.9736576040.
Adding to 1330044 its reverse (4400331), we get a palindrome (5730375).
The spelling of 1330044 in words is "one million, three hundred thirty thousand, forty-four".
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