19944882 has 12 divisors (see below), whose sum is σ = 43213950. Its totient is φ = 6648288.

The previous prime is 19944877. The next prime is 19944913. The reversal of 19944882 is 28844991.

It can be written as a sum of positive squares in only one way, i.e., 19368801 + 576081 = 4401^2 + 759^2 .

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 5 ways as a sum of consecutive naturals, for example, 554007 + ... + 554042.

Almost surely, 2^19944882 is an apocalyptic number.

19944882 is an abundant number, since it is smaller than the sum of its proper divisors (23269068).

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

19944882 is a wasteful number, since it uses less digits than its factorization.

19944882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108057 (or 1108054 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 19944882 is about 4465.9693236743. The cubic root of 19944882 is about 271.1921767916.

The spelling of 19944882 in words is "nineteen million, nine hundred forty-four thousand, eight hundred eighty-two".