19789248 has 28 divisors (see below), whose sum is σ = 52359560. Its totient is φ = 6596352.

The previous prime is 19789229. The next prime is 19789271. The reversal of 19789248 is 84298791.

It is a super-2 number, since 2×19789248² = 783228672811008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 19789197 and 19789206.

It is a congruent number.

It is an unprimeable number.

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, 51343 + ... + 51726.

Almost surely, 2^19789248 is an apocalyptic number.

It is an amenable number.

19789248 is an abundant number, since it is smaller than the sum of its proper divisors (32570312).

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

19789248 is a wasteful number, since it uses less digits than its factorization.

19789248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103084 (or 103074 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 19789248 is about 4448.5107620416. The cubic root of 19789248 is about 270.4849446602.

The spelling of 19789248 in words is "nineteen million, seven hundred eighty-nine thousand, two hundred forty-eight".