1944469 has 2 divisors, whose sum is σ = 1944470. Its totient is φ = 1944468.

The previous prime is 1944457. The next prime is 1944473. The reversal of 1944469 is 9644491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1918225 + 26244 = 1385^2 + 162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1944469 is a prime.

It is a super-2 number, since 2×1944469² = 7561919383922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1944499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972234 + 972235.

It is an arithmetic number, because the mean of its divisors is an integer number (972235).

2^1944469 is an apocalyptic number.

It is an amenable number.

1944469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944469 is an equidigital number, since it uses as much as digits as its factorization.

1944469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 1944469 is about 1394.4421823798. The cubic root of 1944469 is about 124.8150651945.

The spelling of 1944469 in words is "one million, nine hundred forty-four thousand, four hundred sixty-nine".