944609 has 2 divisors, whose sum is σ = 944610. Its totient is φ = 944608.

The previous prime is 944591. The next prime is 944621. The reversal of 944609 is 906449.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 61009 = 940^2 + 247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944609 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (944659) 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, 472304 + 472305.

It is an arithmetic number, because the mean of its divisors is an integer number (472305).

2⁹⁴⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

944609 is a deficient number, since it is larger than the sum of its proper divisors (1).

944609 is an equidigital number, since it uses as much as digits as its factorization.

944609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 944609 is about 971.9099752549. The cubic root of 944609 is about 98.1184531854.

The spelling of 944609 in words is "nine hundred forty-four thousand, six hundred nine".