1446689 has 2 divisors, whose sum is σ = 1446690. Its totient is φ = 1446688.

The previous prime is 1446673. The next prime is 1446701. The reversal of 1446689 is 9866441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1392400 + 54289 = 1180^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1446689 - 2⁴ = 1446673 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1446619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723344 + 723345.

It is an arithmetic number, because the mean of its divisors is an integer number (723345).

2^1446689 is an apocalyptic number.

It is an amenable number.

1446689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1446689 is an equidigital number, since it uses as much as digits as its factorization.

1446689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 1446689 is about 1202.7838542315. The cubic root of 1446689 is about 113.0989031506.

The spelling of 1446689 in words is "one million, four hundred forty-six thousand, six hundred eighty-nine".