1844473 has 2 divisors, whose sum is σ = 1844474. Its totient is φ = 1844472.

The previous prime is 1844441. The next prime is 1844477. The reversal of 1844473 is 3744481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 480249 = 1168^2 + 693^2 .

It is a cyclic number.

It is not a de Polignac number, because 1844473 - 2⁵ = 1844441 is a prime.

It is an Ulam number.

1844473 is a lucky number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (1844477) 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 as a sum of consecutive naturals, namely, 922236 + 922237.

It is an arithmetic number, because the mean of its divisors is an integer number (922237).

2^1844473 is an apocalyptic number.

It is an amenable number.

1844473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1844473 is an equidigital number, since it uses as much as digits as its factorization.

1844473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 1844473 is about 1358.1137654851. The cubic root of 1844473 is about 122.6377293049.

The spelling of 1844473 in words is "one million, eight hundred forty-four thousand, four hundred seventy-three".