1446889 has 2 divisors, whose sum is σ = 1446890. Its totient is φ = 1446888.

The previous prime is 1446881. The next prime is 1446899. The reversal of 1446889 is 9886441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 6889 = 1200^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 1446889 - 2³ = 1446881 is a prime.

It is a super-3 number, since 3×1446889³ = 9087133314261280107, which contains 333 as substring.

1446889 is a lucky number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1446881) 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, 723444 + 723445.

It is an arithmetic number, because the mean of its divisors is an integer number (723445).

2^1446889 is an apocalyptic number.

It is an amenable number.

1446889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1446889 is an equidigital number, since it uses as much as digits as its factorization.

1446889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 1446889 is about 1202.8669918158. The cubic root of 1446889 is about 113.1041147610.

It can be divided in two parts, 144 and 6889, that multiplied together give a square (992016 = 996²).

The spelling of 1446889 in words is "one million, four hundred forty-six thousand, eight hundred eighty-nine".