19344748 has 24 divisors (see below), whose sum is σ = 35497728. Its totient is φ = 9206736.

The previous prime is 19344719. The next prime is 19344749. The reversal of 19344748 is 84744391.

It is a self number, because there is not a number n which added to its sum of digits gives 19344748.

It is not an unprimeable number, because it can be changed into a prime (19344749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25665 + ... + 26407.

It is an arithmetic number, because the mean of its divisors is an integer number (1479072).

Almost surely, 2^19344748 is an apocalyptic number.

It is an amenable number.

19344748 is a deficient number, since it is larger than the sum of its proper divisors (16152980).

19344748 is a wasteful number, since it uses less digits than its factorization.

19344748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1051 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 19344748 is about 4398.2664766928. The cubic root of 19344748 is about 268.4444063481. Note that the first 4 decimals are identical.

The spelling of 19344748 in words is "nineteen million, three hundred forty-four thousand, seven hundred forty-eight".