1384065 has 12 divisors (see below), whose sum is σ = 2399124. Its totient is φ = 738144.

The previous prime is 1384043. The next prime is 1384067. The reversal of 1384065 is 5604831.

It can be written as a sum of positive squares in 2 ways, for example, as 535824 + 848241 = 732^2 + 921^2 .

It is not a de Polignac number, because 1384065 - 2⁷ = 1383937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1384067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15334 + ... + 15423.

It is an arithmetic number, because the mean of its divisors is an integer number (199927).

2^1384065 is an apocalyptic number.

1384065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1384065 is a deficient number, since it is larger than the sum of its proper divisors (1015059).

1384065 is a wasteful number, since it uses less digits than its factorization.

1384065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30768 (or 30765 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1384065 is about 1176.4629190927. The cubic root of 1384065 is about 111.4428377057.

Adding to 1384065 its product of nonzero digits (2880), we get a triangular number (1386945 = T₁₆₆₅).

Adding to 1384065 its reverse (5604831), we get a palindrome (6988896).

The spelling of 1384065 in words is "one million, three hundred eighty-four thousand, sixty-five".