19238648 has 64 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 7920000.

The previous prime is 19238647. The next prime is 19238669. The reversal of 19238648 is 84683291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19238641) 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 15 ways as a sum of consecutive naturals, for example, 76523 + ... + 76773.

It is an arithmetic number, because the mean of its divisors is an integer number (674730).

Almost surely, 2^19238648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19238648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21591360).

19238648 is an abundant number, since it is smaller than the sum of its proper divisors (23944072).

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

19238648 is a wasteful number, since it uses less digits than its factorization.

19238648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 344 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 19238648 is about 4386.1883224504. The cubic root of 19238648 is about 267.9527279807.

The spelling of 19238648 in words is "nineteen million, two hundred thirty-eight thousand, six hundred forty-eight".