1944004 has 12 divisors (see below), whose sum is σ = 3581200. Its totient is φ = 920808.

The previous prime is 1943993. The next prime is 1944011. The reversal of 1944004 is 4004491.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12714 + ... + 12865.

2^1944004 is an apocalyptic number.

It is an amenable number.

1944004 is a deficient number, since it is larger than the sum of its proper divisors (1637196).

1944004 is a wasteful number, since it uses less digits than its factorization.

1944004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25602 (or 25600 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1944004 is about 1394.2754390722. The cubic root of 1944004 is about 124.8051149832.

Adding to 1944004 its reverse (4004491), we get a palindrome (5948495).

The spelling of 1944004 in words is "one million, nine hundred forty-four thousand, four".