1944853 has 2 divisors, whose sum is σ = 1944854. Its totient is φ = 1944852.

The previous prime is 1944841. The next prime is 1944881. The reversal of 1944853 is 3584491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1830609 + 114244 = 1353^2 + 338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1944853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1944823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972426 + 972427.

It is an arithmetic number, because the mean of its divisors is an integer number (972427).

2^1944853 is an apocalyptic number.

It is an amenable number.

1944853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944853 is an equidigital number, since it uses as much as digits as its factorization.

1944853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 1944853 is about 1394.5798650490. The cubic root of 1944853 is about 124.8232809474.

The spelling of 1944853 in words is "one million, nine hundred forty-four thousand, eight hundred fifty-three".