1944408 has 16 divisors (see below), whose sum is σ = 4861080. Its totient is φ = 648128.

The previous prime is 1944401. The next prime is 1944457. The reversal of 1944408 is 8044491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40485 + ... + 40532.

2^1944408 is an apocalyptic number.

It is an amenable number.

1944408 is an abundant number, since it is smaller than the sum of its proper divisors (2916672).

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

1944408 is a wasteful number, since it uses less digits than its factorization.

1944408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81026 (or 81022 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1944408 is about 1394.4203096628. The cubic root of 1944408 is about 124.8137599884.

Adding to 1944408 its reverse (8044491), we get a palindrome (9988899).

The spelling of 1944408 in words is "one million, nine hundred forty-four thousand, four hundred eight".