1944025 has 6 divisors (see below), whose sum is σ = 2410622. Its totient is φ = 1555200.

The previous prime is 1944013. The next prime is 1944049. The reversal of 1944025 is 5204491.

It can be written as a sum of positive squares in 3 ways, for example, as 36864 + 1907161 = 192^2 + 1381^2 .

It is not a de Polignac number, because 1944025 - 2⁵ = 1943993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 77761 = 1944025 / (1 + 9 + 4 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is a plaindrome in base 7.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 38856 + ... + 38905.

2^1944025 is an apocalyptic number.

It is an amenable number.

1944025 is a deficient number, since it is larger than the sum of its proper divisors (466597).

1944025 is an equidigital number, since it uses as much as digits as its factorization.

1944025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77771 (or 77766 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1944025 is about 1394.2829698451. The cubic root of 1944025 is about 124.8055643818.

It can be divided in two parts, 19 and 44025, that added together give a palindrome (44044).

The spelling of 1944025 in words is "one million, nine hundred forty-four thousand, twenty-five".