1944459 has 16 divisors (see below), whose sum is σ = 3143040. Its totient is φ = 1178280.

The previous prime is 1944457. The next prime is 1944469. The reversal of 1944459 is 9544491.

It is a happy number.

It is not a de Polignac number, because 1944459 - 2¹ = 1944457 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1944457) 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 in 15 ways as a sum of consecutive naturals, for example, 2977 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (196440).

2^1944459 is an apocalyptic number.

1944459 is a deficient number, since it is larger than the sum of its proper divisors (1198581).

1944459 is a wasteful number, since it uses less digits than its factorization.

1944459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567 (or 6561 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1944459 is about 1394.4385967120. The cubic root of 1944459 is about 124.8148512282.

It can be divided in two parts, 19444 and 59, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 1944459 in words is "one million, nine hundred forty-four thousand, four hundred fifty-nine".