19869848 has 16 divisors (see below), whose sum is σ = 37332960. Its totient is φ = 9914400.

The previous prime is 19869841. The next prime is 19869869. The reversal of 19869848 is 84896891.

It is a self number, because there is not a number n which added to its sum of digits gives 19869848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19869841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2033 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (2333310).

Almost surely, 2^19869848 is an apocalyptic number.

It is an amenable number.

19869848 is a deficient number, since it is larger than the sum of its proper divisors (17463112).

19869848 is a wasteful number, since it uses less digits than its factorization.

19869848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138 (or 5134 counting only the distinct ones).

The product of its digits is 995328, while the sum is 53.

The square root of 19869848 is about 4457.5607679537. The cubic root of 19869848 is about 270.8516683024.

The spelling of 19869848 in words is "nineteen million, eight hundred sixty-nine thousand, eight hundred forty-eight".