1444661 has 2 divisors, whose sum is σ = 1444662. Its totient is φ = 1444660.

The previous prime is 1444657. The next prime is 1444679. The reversal of 1444661 is 1664441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1416100 + 28561 = 1190^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444661 - 2² = 1444657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722330 + 722331.

It is an arithmetic number, because the mean of its divisors is an integer number (722331).

2^1444661 is an apocalyptic number.

It is an amenable number.

1444661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444661 is an equidigital number, since it uses as much as digits as its factorization.

1444661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 1444661 is about 1201.9405143350. The cubic root of 1444661 is about 113.0460302721.

The spelling of 1444661 in words is "one million, four hundred forty-four thousand, six hundred sixty-one".