1444489 has 2 divisors, whose sum is σ = 1444490. Its totient is φ = 1444488.

The previous prime is 1444483. The next prime is 1444493. The reversal of 1444489 is 9844441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 4489 = 1200^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444489 - 2³ = 1444481 is a prime.

It is a super-2 number, since 2×1444489² = 4173096942242, which contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1444481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722244 + 722245.

It is an arithmetic number, because the mean of its divisors is an integer number (722245).

2^1444489 is an apocalyptic number.

It is an amenable number.

1444489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444489 is an equidigital number, since it uses as much as digits as its factorization.

1444489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 1444489 is about 1201.8689612433. The cubic root of 1444489 is about 113.0415437089.

It can be divided in two parts, 144 and 4489, that multiplied together give a square (646416 = 804²).

The spelling of 1444489 in words is "one million, four hundred forty-four thousand, four hundred eighty-nine".