19819248 has 20 divisors (see below), whose sum is σ = 51199848. Its totient is φ = 6606400.

The previous prime is 19819231. The next prime is 19819249. The reversal of 19819248 is 84291891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19819249) 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 3 ways as a sum of consecutive naturals, for example, 206403 + ... + 206498.

Almost surely, 2^19819248 is an apocalyptic number.

It is an amenable number.

19819248 is an abundant number, since it is smaller than the sum of its proper divisors (31380600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19819248 is a wasteful number, since it uses less digits than its factorization.

19819248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412912 (or 412906 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 19819248 is about 4451.8814000375. The cubic root of 19819248 is about 270.6215584299.

The spelling of 19819248 in words is "nineteen million, eight hundred nineteen thousand, two hundred forty-eight".