1828243 has 2 divisors, whose sum is σ = 1828244. Its totient is φ = 1828242.

The previous prime is 1828223. The next prime is 1828249. The reversal of 1828243 is 3428281.

It is a strong prime.

It is an emirp because it is prime and its reverse (3428281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1828243 - 2⁹ = 1827731 is a prime.

1828243 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1828249) 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 as a sum of consecutive naturals, namely, 914121 + 914122.

It is an arithmetic number, because the mean of its divisors is an integer number (914122).

2^1828243 is an apocalyptic number.

1828243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828243 is an equidigital number, since it uses as much as digits as its factorization.

1828243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 1828243 is about 1352.1253640103. The cubic root of 1828243 is about 122.2769619202.

The spelling of 1828243 in words is "one million, eight hundred twenty-eight thousand, two hundred forty-three".