19423248 has 80 divisors (see below), whose sum is σ = 57246336. Its totient is φ = 5621760.

The previous prime is 19423241. The next prime is 19423249. The reversal of 19423248 is 84232491.

It is not an unprimeable number, because it can be changed into a prime (19423241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9693 + ... + 11523.

Almost surely, 2^19423248 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 19423248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28623168).

19423248 is an abundant number, since it is smaller than the sum of its proper divisors (37823088).

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

19423248 is a wasteful number, since it uses less digits than its factorization.

19423248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1866 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 19423248 is about 4407.1814121953. The cubic root of 19423248 is about 268.8070275232.

It can be divided in two parts, 1 and 9423248, that added together give a palindrome (9423249).

The spelling of 19423248 in words is "nineteen million, four hundred twenty-three thousand, two hundred forty-eight".