1383843 has 8 divisors (see below), whose sum is σ = 1868800. Its totient is φ = 910728.

The previous prime is 1383829. The next prime is 1383853. The reversal of 1383843 is 3483831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1383843 - 2⁹ = 1383331 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383843.

It is not an unprimeable number, because it can be changed into a prime (1383803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2683 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (233600).

2^1383843 is an apocalyptic number.

1383843 is a deficient number, since it is larger than the sum of its proper divisors (484957).

1383843 is an equidigital number, since it uses as much as digits as its factorization.

1383843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5921.

The product of its digits is 6912, while the sum is 30.

The square root of 1383843 is about 1176.3685646939. The cubic root of 1383843 is about 111.4368790181.

The spelling of 1383843 in words is "one million, three hundred eighty-three thousand, eight hundred forty-three".