19443848 has 12 divisors (see below), whose sum is σ = 36480615. Its totient is φ = 9715688.

The previous prime is 19443841. The next prime is 19443857. The reversal of 19443848 is 84834491.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 9721924 + 9721924 = 3118^2 + 3118^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3118.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19443841) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11693 + ... + 13251.

Almost surely, 2^19443848 is an apocalyptic number.

It is an amenable number.

19443848 is a deficient number, since it is larger than the sum of its proper divisors (17036767).

19443848 is an frugal number, since it uses more digits than its factorization.

19443848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124 (or 1561 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 19443848 is about 4409.5178874793. The cubic root of 19443848 is about 268.9020248220.

The spelling of 19443848 in words is "nineteen million, four hundred forty-three thousand, eight hundred forty-eight".