1383343 has 4 divisors (see below), whose sum is σ = 1489768. Its totient is φ = 1276920.
The previous prime is 1383331. The next prime is 1383359. The reversal of 1383343 is 3433831.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3433831 = 23 ⋅149297.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1383343 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1383323) 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 3 ways as a sum of consecutive naturals, for example, 53193 + ... + 53218.
It is an arithmetic number, because the mean of its divisors is an integer number (372442).
21383343 is an apocalyptic number.
1383343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1383343 is a deficient number, since it is larger than the sum of its proper divisors (106425).
1383343 is a wasteful number, since it uses less digits than its factorization.
1383343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106424.
The product of its digits is 2592, while the sum is 25.
The square root of 1383343 is about 1176.1560270644. The cubic root of 1383343 is about 111.4234562161.
It can be divided in two parts, 138 and 3343, that added together give a square (3481 = 592).
The spelling of 1383343 in words is "one million, three hundred eighty-three thousand, three hundred forty-three".
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