1084104 has 80 divisors (see below), whose sum is σ = 3484800. Its totient is φ = 308448.
The previous prime is 1084103. The next prime is 1084133. The reversal of 1084104 is 4014801.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1084103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4417 + ... + 4655.
It is an arithmetic number, because the mean of its divisors is an integer number (43560).
21084104 is an apocalyptic number.
1084104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1084104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742400).
1084104 is an abundant number, since it is smaller than the sum of its proper divisors (2400696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1084104 is a wasteful number, since it uses less digits than its factorization.
1084104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264 (or 251 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 1084104 is about 1041.2031502065. The cubic root of 1084104 is about 102.7283507055.
Adding to 1084104 its reverse (4014801), we get a palindrome (5098905).
The spelling of 1084104 in words is "one million, eighty-four thousand, one hundred four".
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