1384543 has 4 divisors (see below), whose sum is σ = 1389960. Its totient is φ = 1379128.

The previous prime is 1384507. The next prime is 1384561. The reversal of 1384543 is 3454831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3454831 = 1451 ⋅2381.

It is a cyclic number.

It is not a de Polignac number, because 1384543 - 2¹⁷ = 1253471 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 (1384043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305 + ... + 2842.

It is an arithmetic number, because the mean of its divisors is an integer number (347490).

2^1384543 is an apocalyptic number.

1384543 is a deficient number, since it is larger than the sum of its proper divisors (5417).

1384543 is an equidigital number, since it uses as much as digits as its factorization.

1384543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416.

The product of its digits is 5760, while the sum is 28.

The square root of 1384543 is about 1176.6660528799. Note that the first 3 decimals coincide. The cubic root of 1384543 is about 111.4556655100.

The spelling of 1384543 in words is "one million, three hundred eighty-four thousand, five hundred forty-three".