1944379 has 2 divisors, whose sum is σ = 1944380. Its totient is φ = 1944378.

The previous prime is 1944377. The next prime is 1944389. The reversal of 1944379 is 9734491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1944379 - 2¹ = 1944377 is a prime.

Together with 1944377, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 9² + 4⁸ + 4¹⁰ + 3⁸ + 7⁷ + 9² .

It is not a weakly prime, because it can be changed into another prime (1944373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972189 + 972190.

It is an arithmetic number, because the mean of its divisors is an integer number (972190).

2^1944379 is an apocalyptic number.

1944379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944379 is an equidigital number, since it uses as much as digits as its factorization.

1944379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 1944379 is about 1394.4099110376. The cubic root of 1944379 is about 124.8131394710.

The spelling of 1944379 in words is "one million, nine hundred forty-four thousand, three hundred seventy-nine".