1944169 has 2 divisors, whose sum is σ = 1944170. Its totient is φ = 1944168.

The previous prime is 1944157. The next prime is 1944181. The reversal of 1944169 is 9614491.

It is a balanced prime because it is at equal distance from previous prime (1944157) and next prime (1944181).

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 788544 = 1075^2 + 888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1944169 - 2⁹ = 1943657 is a prime.

It is a super-2 number, since 2×1944169² = 7559586201122, which contains 22 as substring.

1944169 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1944469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972084 + 972085.

It is an arithmetic number, because the mean of its divisors is an integer number (972085).

2^1944169 is an apocalyptic number.

It is an amenable number.

1944169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944169 is an equidigital number, since it uses as much as digits as its factorization.

1944169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 1944169 is about 1394.3346083347. The cubic root of 1944169 is about 124.8086458850.

The spelling of 1944169 in words is "one million, nine hundred forty-four thousand, one hundred sixty-nine".