1944336 has 20 divisors (see below), whose sum is σ = 5022992. Its totient is φ = 648096.

The previous prime is 1944329. The next prime is 1944353. The reversal of 1944336 is 6334491.

It is a d-powerful number, because it can be written as 1 + 9² + 4³ + 4⁹ + 3⁵ + 3⁷ + 6⁸ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20206 + ... + 20301.

2^1944336 is an apocalyptic number.

1944336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1944336 is an abundant number, since it is smaller than the sum of its proper divisors (3078656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1944336 is a wasteful number, since it uses less digits than its factorization.

1944336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40518 (or 40512 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 1944336 is about 1394.3944922439. The cubic root of 1944336 is about 124.8122193821.

The spelling of 1944336 in words is "one million, nine hundred forty-four thousand, three hundred thirty-six".