1843201 has 2 divisors, whose sum is σ = 1843202. Its totient is φ = 1843200.

The previous prime is 1843189. The next prime is 1843207. The reversal of 1843201 is 1023481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1324801 + 518400 = 1151^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1843201 - 2⁵ = 1843169 is a prime.

It is equal to p₁₃₈₀₇₀ and since 1843201 and 138070 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1843207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921600 + 921601.

It is an arithmetic number, because the mean of its divisors is an integer number (921601).

It is a Proth number, since it is equal to 225 ⋅ 2¹³ + 1 and 225 < 2¹³.

2^1843201 is an apocalyptic number.

It is an amenable number.

1843201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1843201 is an equidigital number, since it uses as much as digits as its factorization.

1843201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1843201 is about 1357.6453881629. The cubic root of 1843201 is about 122.6095313563.

Adding to 1843201 its reverse (1023481), we get a palindrome (2866682).

The spelling of 1843201 in words is "one million, eight hundred forty-three thousand, two hundred one".