19929848 has 16 divisors (see below), whose sum is σ = 39566880. Its totient is φ = 9378688.

The previous prime is 19929827. The next prime is 19929853. The reversal of 19929848 is 84892991.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19929796 and 19929805.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 73136 + ... + 73407.

It is an arithmetic number, because the mean of its divisors is an integer number (2472930).

Almost surely, 2^19929848 is an apocalyptic number.

It is an amenable number.

19929848 is a deficient number, since it is larger than the sum of its proper divisors (19637032).

19929848 is a wasteful number, since it uses less digits than its factorization.

19929848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146566 (or 146562 counting only the distinct ones).

The product of its digits is 373248, while the sum is 50.

The square root of 19929848 is about 4464.2858331429. The cubic root of 19929848 is about 271.1240201583.

The spelling of 19929848 in words is "nineteen million, nine hundred twenty-nine thousand, eight hundred forty-eight".