19481948 has 24 divisors (see below), whose sum is σ = 34884192. Its totient is φ = 9517824.

The previous prime is 19481947. The next prime is 19481963. The reversal of 19481948 is 84918491.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19481899 and 19481908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19481941) 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 7 ways as a sum of consecutive naturals, for example, 39761 + ... + 40247.

It is an arithmetic number, because the mean of its divisors is an integer number (1453508).

Almost surely, 2^19481948 is an apocalyptic number.

It is an amenable number.

19481948 is a deficient number, since it is larger than the sum of its proper divisors (15402244).

19481948 is a wasteful number, since it uses less digits than its factorization.

19481948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 699 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 19481948 is about 4413.8359733909. The cubic root of 19481948 is about 269.0775470516.

The spelling of 19481948 in words is "nineteen million, four hundred eighty-one thousand, nine hundred forty-eight".