1444873 has 2 divisors, whose sum is σ = 1444874. Its totient is φ = 1444872.

The previous prime is 1444823. The next prime is 1444897. The reversal of 1444873 is 3784441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1373584 + 71289 = 1172^2 + 267^2 .

It is an emirp because it is prime and its reverse (3784441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444873 is a prime.

It is a super-2 number, since 2×1444873² = 4175315972258, which contains 22 as substring.

1444873 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1444823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722436 + 722437.

It is an arithmetic number, because the mean of its divisors is an integer number (722437).

2^1444873 is an apocalyptic number.

It is an amenable number.

1444873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444873 is an equidigital number, since it uses as much as digits as its factorization.

1444873 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 1444873 is about 1202.0287018204. The cubic root of 1444873 is about 113.0515597323.

The spelling of 1444873 in words is "one million, four hundred forty-four thousand, eight hundred seventy-three".