1383443 has 6 divisors (see below), whose sum is σ = 1469916. Its totient is φ = 1301792.

The previous prime is 1383433. The next prime is 1383449. The reversal of 1383443 is 3443831.

It is not a de Polignac number, because 1383443 - 2⁶ = 1383379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2105 + ... + 2682.

It is an arithmetic number, because the mean of its divisors is an integer number (244986).

2^1383443 is an apocalyptic number.

1383443 is a deficient number, since it is larger than the sum of its proper divisors (86473).

1383443 is an equidigital number, since it uses as much as digits as its factorization.

1383443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821 (or 4804 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 1383443 is about 1176.1985376628. The cubic root of 1383443 is about 111.4261410352.

The spelling of 1383443 in words is "one million, three hundred eighty-three thousand, four hundred forty-three".