18894848 has 52 divisors (see below), whose sum is σ = 43248480. Its totient is φ = 8085504.

The previous prime is 18894847. The next prime is 18894853. The reversal of 18894848 is 84849881.

It is a junction number, because it is equal to n+sod(n) for n = 18894796 and 18894805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18894847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28343 + ... + 29001.

Almost surely, 2^18894848 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 18894848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21624240).

18894848 is an abundant number, since it is smaller than the sum of its proper divisors (24353632).

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

18894848 is an frugal number, since it uses more digits than its factorization.

18894848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 668 counting only the distinct ones).

The product of its digits is 589824, while the sum is 50.

The square root of 18894848 is about 4346.8204471775. The cubic root of 18894848 is about 266.3469947178.

The spelling of 18894848 in words is "eighteen million, eight hundred ninety-four thousand, eight hundred forty-eight".